Boulder County

CarriesCrossesLocationDesignStatusYear BuiltYear ReconSpan LengthTotal LengthSRSD/FOID
NBI reportCounty Road 103Middle St. Vrain Creek100 Ft S of St Hwy 72Concrete Tee beam--1927--29.235.495.5--BC-103-4.0-MSV
NBI reportCounty Road 84WNorth St. Vrain Creek1.0 Mi NW of St Hwy 7Concrete Tee beam--1927--40.445.680.6--BC-84W-1.0-NSV
NBI reportPublic RoadCoal Creek.25 M N of Jct US Hwy 287Concrete Tee beamNR possible1927200040.045.996.2--LAF-PUBRD-003
NBI reportSH 7 MLDRAW0.35 MI E OF 75th STConcrete Culvert (2 spans)--1928--16.734.859.8FOD-16-BW
NBI reportSH 170 MLSOUTH BOULDER CREEK0.9 MI W. OF EL DORADO SPSteel Stringer/Multi-beam or girder--1930199337.141.075.4FOE-15-AH
NBI report
Bridgehunter
Co Rd 54AMiddle Boulder CreekCastle Rock Pull OffConcrete SlabNR possible1930--20.323.639.0SDBCPOS-LOWER BR
NBI report
Bridgehunter
Co Rd 54AMiddle Boulder CreekCastle Rock Pull OffSteel Girder and floorbeam systemNR possible1930--28.533.128.0SDBCPOS-UPPER BR
NBI reportSH 119 MLMIDDLE BOULDER CREEKIN NEDERLANDConcrete Culvert (2 spans)--1933198714.830.873.7--E-14-AR
NBI reportCounty Road 132Boulder Creek75 Ft S of St Hwy 119Prestressed Box beam or girders - Multiple--1935198429.936.767.1--BC-132-0.1-BO
NBI reportCR 62 (Empire Dr)Coal Creek0.7 M E of St Hwy 42Concrete Culvert (2 spans)NR possible1935195516.134.178.5--BC-62-2.1-CO
NBI reportSH 7 ML WBNDBOULDER CREEKARAPAHOE Ave IN BOULDERSteel Stringer/Multi-beam or girder (2 spans)NR possible1938--48.9104.057.7SDD-15-AQ
NBI reportSH 7 MLSOUTH BOULDER CREEKIN BOULDERSteel Stringer/Multi-beam or girder (2 spans)--1938199737.178.791.5--D-16-J
NBI reportUS 287 MLDRY CREEKKen Pratt Blvd-LongmontConcrete Culvert (2 spans)--194719709.821.075.2--D-16-D
NBI reportSH 119 MLNORTH BOULDER CREEK7.7 MI E OF JCT SH 72Concrete Culvert--1948--25.325.396.1--D-15-AI
NBI reportUS 287 MLLEFT HAND CREEKIN LONGMONTSteel Stringer/Multi-beam or girder--1948197039.043.084.7--D-16-C
NBI reportUS 287 MLST VRAIN CREEKIN LONGMONTSteel Stringer/Multi-beam or girder (3 spans)--1948196559.1154.254.8--D-16-H
NBI reportSH 119 MLNORTH BEAVER CREEKIN NEDERLANDConcrete Culvert (2 spans)--1948--9.823.095.1--E-14-R
NBI reportNelson Rd (Cr 20)Boulder Feeder Ditch1.0 Mi W of Co Rd 39Prestressed Tee beam--1950198129.532.276.4FOBC-20-3.3-ID
NBI reportOxford Rd (Cr 26)Boulder Feeder Ditch0.3 Mi W of Co Rd 41Steel Stringer/Multi-beam or girder--1950198526.629.294.5--BC-26-4.1-ID
NBI reportN. 63rd St (Cr 39)Feeder Ditch0.5 Mi N of Arapahoe RdConcrete Culvert (7 spans)--1950--4.946.950.4SDBOLD-39-N63RDST
NBI reportUS 36 MLCANYON CREEKIN BOULDERConcrete Culvert (2 spans)--1951--16.133.197.8--E-15-AC
NBI reportTABLE MESA DRIVEUS 36 MLIN BOULDERSteel Stringer/Multi-beam or girder (4 spans)--1951197252.5178.284.0FOE-16-FB
NBI reportUS 36 MLSOUTH BOULDER CREEK2.4 MI E OF JCT SH 93Steel Stringer/Multi-beam or girder (3 spans)--1951198749.9114.885.0--E-16-FD
NBI reportUS 36 FR RDBOULDER CREEK SR28th STREET IN BOULDERSteel Stringer/Multi-beam or girder (3 spans)NR possible1952200535.196.591.4--D-15-AP
NBI reportUS 36 ML WBNDBOULDER CREEK28th STREET IN BOULDERSteel Stringer/Multi-beam or girder (3 spans)NR possible1952200535.196.568.3--D-15-AR
NBI reportSH 170 MLDAVIDSON DITCH1.5 MI W OF JCT SH 93Concrete Culvert--1952--24.024.078.7--E-15-AB
NBI reportFDR 114MIDDLE ST. VRAIN CREEK.2 MI W OF CO HWY 72Wood Stringer/Multi-beam or girder--1952199527.930.549.0FO021004000001199
NBI reportFDR 114MIDDLE ST. VRAIN CREEK0.94 MI WEST OF CO HWY 72Wood Stringer/Multi-beam or girder--1952199526.930.848.3--021004000001203
NBI report
Bridgehunter
SH 119 MLBOULDER CREEK13.7 MI E OF JCT SH 72Concrete Tee beam (3 spans)NR listed1953--49.9100.181.6--D-15-AK
NBI reportSH 119 MLBOULDER CREEKJUST WEST OF BOULDERConcrete Tee beam (3 spans)--1953--75.1120.475.8FOD-15-G
NBI reportSt Vrain Road CR16Boulder Feeder Ditch0.5 Mi E of Co Rd 51Prestressed Tee beam--1955198326.628.568.0--BC-16-1.9-ID
NBI report
Bridgehunter
SH 7 MLNORTH ST VRAIN CREEKIN LYONSConcrete FrameNR listed1955--60.065.978.7--D-15-A
NBI reportUS 36 MLLEFT HAND CREEK6.2 MI SO OF JCT SH 66Concrete Culvert (2 spans)--1955--9.821.086.0--D-15-X
NBI reportUS 36 MLFOUR MILE CANYON CREEK28th ST in BOULDERConcrete Tee beam (3 spans)--1957--29.992.968.9FOD-15-B
NBI reportSH 119 N/EBNDFOUR MILE CREEKIN BOULDERConcrete Tee beam (3 spans)--1958197136.1108.987.9--D-16-I
NBI reportSH 119 ML NBNDBEASLEY DITCH@ 55TH ST NE OF BOULDERConcrete Culvert--1958--22.622.676.0--D-16-L
NBI reportSH 72 MLMIDDLE ST VRAIN CREEK7 MI NORTH OF WARDConcrete Tee beam (3 spans)--1959--75.5110.974.7--D-14-G
NBI reportSH 72 MLSOUTH ST VRAIN CREEK3.8 MI NORTH OF WARDConcrete Culvert (2 spans)--1959--10.221.784.5--D-15-H
NBI reportSH 119 NBNDDRAW4.5 MI NE OF JCT US 36Concrete Culvert (3 spans)--1959--13.837.192.2--D-16-M
NBI reportSH 119 ML NBNDLEFT HAND CREEK3.6 MI NE OF JCT SH 52Concrete Tee beam (4 spans)--1959--36.1143.165.0FOD-16-N
NBI reportN 41st St (Cr 59)Left Hand Creek325 Ft S of Co Rd 26Prestressed Slab--1960--30.232.586.0--BC-59-2.4-LT
NBI reportCounty Road 9Boulder Creek0.3 Mi N of Co Rd 42Prestressed Tee beam (2 spans)--1960--34.876.899.0--BC-9-0.9-BO
NBI reportUS 36 ML EBNDBOULDER CREEKIN BOULDERSteel Stringer/Multi-beam or girder (3 spans)--1960--35.196.583.3--D-15-AX
NBI reportHover RoadSt. Vrain River100 Ft S of 3rd AvenuePrestressed Box Beam or girders - Single or Spread (2 spans)--1960200248.9101.195.5--LONG-HOVER-3RD
NBI reportBrockway DriveGoodhue Ditch0.1 Mi E of 76th StreetConcrete Slab--1962--20.324.977.7--BC-O-OSS-7D
NBI report30th StreetEmpson Ditch0.59 Mi N of Baseline RdPrestressed Tee beam--1963--22.325.375.4FOBOLD-07-0.59-01
NBI report30th StreetBoulder Creek0.79 Mi N. of Baseline RdPrestressed Tee beam--1963199759.162.394.9--BOLD-07-0.79-2A
NBI reportEBND US 36 MLUS 36 SPUR/BASELINE RDIN BOULDERSteel Stringer/Multi-beam or girder--1963197795.1178.887.0FOD-15-AZ
NBI reportKenosha Rd (CR 38)Coal Creek0.2 Mi W of Co Rd 901Prestressed Tee beam--1965--28.931.581.4FOBC-38-7.9-CO
NBI reportFolsom StreetBoulder Creek0.40 Mi S of Canyon BlvdPrestressed Stringer/Multi-beam or girder--1965--57.160.083.1--BOLD-04-0.40-01
NBI reportJuniper AvenueElmers Two Mile Ditch200 Ft E of 26th StreetPrestressed Tee beam--1965--31.235.174.0--BOLD-09-0.05-01
NBI reportSH 52 MLWHITE ROCK BOULDER DITCHNIWOT AT 79th ST INTConcrete Culvert--1965--24.924.983.5--D-16-Y
NBI reportSH 93 MLCOAL CREEK3.5 MI NO OF JCT SH 72Concrete Culvert (3 spans)--1965--13.836.486.6--E-15-O
NBI reportSouth Bowen StreetLeft Hand CreekAt Missouri AvePrestressed Tee beam--1965--27.630.894.0SDLONG-SBOW-MIS
NBI reportSH 7 ML EBNDBOULDER CREEKARAPAHOE AVENUEConcrete Tee beam (4 spans)--1966198649.9154.976.4FOD-15-AV
NBI reportSH 42 MLCOAL CREEK3.3 MI SE OF JCT SH 7Concrete Culvert (3 spans)--1967--15.140.099.6--E-16-BC
NBI reportSH 128 MLCOAL CREEK0.4 MI E OF JCT SH 93Concrete Culvert (3 spans)--1967--12.132.297.1--E-16-HB
NBI reportSH 93 MLDRAW1/2 MI S OF BOULDER LIMITConcrete Culvert (2 spans)--1969--9.521.084.1--E-15-A
NBI reportSH 93 MLSOUTH BOULDER CREEK0.4 MI N OF JCT SH 170 +Prestressed Tee beam--1969--72.273.299.1--E-16-AN
NBI report3rd Ave. EBGW RR.15 Mi W of Jct 119Steel Stringer/Multi-beam or girder (3 spans)--1969201250.9123.796.0--LONG-3RDEB-GWRR
NBI reportFDR 298 & BC 116NORTH BOULDER CREEK3.45 MI SW OF CO HWY 72Wood Stringer/Multi-beam or girder--1970199525.627.977.7--021001000001000
NBI reportStrath StreetLeft Hand Creek0.2 Mi N of Niwot RdConcrete Culvert (2 spans)--1970--14.128.990.9--BC-O-OSK-9A
NBI reportMc Sorley LaneSouth Boulder Creek0.1 Mi W of Cherryvale RdPrestressed Tee beam (2 spans)--1970--24.952.891.5--BC-O-OSR-9B
NBI reportSpring DriveDavidson Ditch0.7 Mi S of S. Boulder RdConcrete Slab--1970--22.624.979.4--BC-O-OST-7C
NBI reportFolsom StreetBoulder & Whiterock20 Ft N of Pearl StreetConcrete Slab--1970--22.024.094.3--BOLD-04-0.39-03
NBI reportFolsom StreetGoose Creek300 Ft. So. of ValmontPrestressed Tee beam--1970198239.041.367.2--BOLD-04-0.74-4A
NBI reportWildwood RoadBear Canyon Creek150 Ft W of Bear Mtn. RdConcrete Culvert (2 spans)--1970--12.826.997.0--BOLD-11-0.00-01
NBI reportMoorhead AvenueSkunk Creek0.1 Mi E of 27th WayConcrete Culvert (2 spans)--1970--11.824.696.8--BOLD-12-0.15-01
NBI reportE 5th AvenueOligarchy Ditch0.1 Mi East of Fox StConcrete Culvert--1970--21.721.796.9--LONG-E5TH-FOX
NBI reportPratt ParkwaySt. Vrain River250 Ft So of Boston AvePrestressed Tee beam (3 spans)--1970--48.9150.975.8FOLONG-PRAPK-BOS
NBI reportSH 119 SBNDBEASLEY DITCHN.E. OF BOULDERConcrete Culvert--1971--20.720.780.8--D-16-AB_MINOR
NBI reportSH 119 ML SBNDBEASLEY DITCH@ 55TH ST NE OF BOULDERConcrete Culvert--1971--20.720.776.0--D-16-CF
NBI reportSH 157 RAMPUS 36 MLIN BOULDERSteel Stringer/Multi-beam or girder (2 spans)--1971--114.2228.090.8FOE-16-HW
NBI reportGlenwood DriveTwo Mile Creek400 Ft W of State Hwy 36Concrete Culvert (2 spans)--1972--12.125.696.6--BOLD-38-GLENWDR
NBI reportUS 36 MLSUPPLY DITCHIN LYONSConcrete Culvert (2 spans)--1972--10.822.070.0--D-15-BE
NBI reportUS 36 MLHIGHLAND CANAL1.2 MI SE OF JCT SH 7 LYOConcrete Culvert (3 spans)--1972--14.437.785.0--D-15-BF
NBI reportNo. 30th StreetFour Mile Creek300 Ft N of Palo ParkwayPrestressed Tee beam (2 spans)--1973--33.171.974.9--BC-30TH-0.5-FMC
NBI reportCherryvale RoadDavidson Ditch0.5 Mi N of St Hwy 170Concrete Culvert--1973--23.023.096.3--BC-39-16.0-ID
NBI reportIndependence Ave.Boulder & WhiterockDitch0.4 Mi E of St Hwy 119Concrete Culvert--1973--20.020.096.6--BC-46-1.6-ID
NBI reportKalmia AvenueElmers Two Mile Ditch0.1 Mi W of Folsom StreetConcrete Culvert (2 spans)--1973--9.821.086.9--BOLD-10-0.10-01
NBI reportSH 7 MLNORTH ST VRAIN CREEK10 MI SE OF ESTES PARKConcrete Tee beam (3 spans)--1973--72.2120.191.9--D-14-I
NBI reportSH 157 ML NBNDSOUTH BOULDER ROAD0.08 MI N OF JCT US 36Steel Stringer/Multi-beam or girder (2 spans)--1973--94.2184.796.3--E-16-HX
NBI reportSH 157 ML SBNDS BLDR Rd-TBLE MSA Dr0.9 MI N OF JCT US 36Steel Stringer/Multi-beam or girder (2 spans)--1973--78.1152.997.1--E-16-HY
NBI reportSecond AvenueSt. Vrain Creek0.1 Mi So of Park StreetSteel Stringer/Multi-beam or girder (3 spans)Closed1973--49.2140.847.3SDLY2-S0.1-PARK
NBI report3rd Ave WBGW RR.15 Mi W of Jct 119Steel Stringer/Multi-beam or girder (3 spans)--1974--50.9123.784.0SDLONG-3RDWB-GWRR
NBI reportSouth Boulder RoadViele Channel (Ditch)0.6 Mi E of US Hwy 36Concrete Culvert (3 spans)--1975198616.143.097.4--BC-60-0.3-VC-1
NBI reportTwin Lakes RoadBLDR and Whiterock Ditch0.2 Mi E of 63rd StreetConcrete Culvert (2 spans)--1975--9.820.797.0--BC-O-OSO-8A
NBI reportSterling DriveLeft Hand Ditch100 Ft E of 47th StreetConcrete Culvert (2 spans)--1975--9.520.096.9--BOLD-33-STERDR
NBI reportSH 119 ML SBNDLEFT HAND CREEK3.6 MI N OF JCT SH 52Concrete Tee beam (3 spans)--1975--40.0123.493.4--D-16-AU
NBI report21st Ave EastboundOligarchy Ditch300 Ft. E of Daley Dr.Concrete Culvert--1975--20.720.794.7--LONG-21ST-VIV
NBI reportSpencer StreetOligarchy Ditch50 Ft So of 20th StConcrete Culvert (2 spans)--1975--9.820.797.0--LONG-SPEN-21ST
NBI reportWoodland Rd (CR4)Highland Ditch1.3 Mi E of 75th StreetConcrete Culvert--1976--28.528.594.0--BC-4-1.3-ID
NBI reportCounty Road 901Boulder Creek0.3 Mi N of St Hwy 52Prestressed Tee beam (2 spans)--1976--61.7126.386.7--BC-901-11.6-BO
NBI report120th StreetCoal Creek0.25 M S of S. Boulder RdConcrete Culvert (3 spans)--1977--16.444.979.4--LAF-120TH-002
NBI reportN. 75th St (Cr 25)Boulder Creek0.1 Mi S of Jay RoadPrestressed Tee beam (2 spans)--1978--53.2111.996.8--BC-25-10.8-BO
NBI report6th StreetBoulder Creek0.1 Mi So of Canyon BlvdPrestressed Tee beam (2 spans)--1978--59.7122.174.9FOBOLD-01-0.05-01
NBI report9th StreetBoulder Creek0.08 Mi N of Arapahoe AvePrestressed Box Beam or girders - Single or Spread (2 spans)--1978--69.2145.095.7--BOLD-02-0.08-01
NBI reportSH 157 MLBEAR CANYON CREEKNEAR COLORADO AVE.Concrete Culvert (3 spans)--1978--17.146.968.1--D-16-CR
NBI reportSH 157 MLSKUNK CREEKIN BOULDERConcrete Culvert (2 spans)--1978--13.828.579.0--D-16-CS
NBI reportCounty Road 31St. Vrain Creek0.6 Mi S of Co Rd 10Prestressed Tee beam (2 spans)--1979--55.4115.891.2--BC-31-3.9A-SV
NBI reportColorado AvenueSkunk CreekAt 38th StreetConcrete Culvert (2 spans)--1979--14.830.896.3--BOLD-37-COLOAVE
NBI reportSH 72 MLSOUTH BOULDER CREEKIN PINECLIFFSteel Stringer/Multi-beam or girder--1979--89.992.991.9--E-15-AF
NBI reportCounty Road 33Left Hand Creek0.3 M N of Oxford Rd (26)Concrete Culvert (3 spans)--1980--15.743.397.9--BC-33-1.2-LT
NBI reportBaseline RoadSouth Boulder Creek0.1 Mi W of Cherryvale RdPrestressed Tee beam--1980--38.143.395.3--BC-56-0.5-SB
NBI reportBoulder Hills DrBoulder Feeder Ditch50 Ft E of Stirrup LanePrestressed Tee beam--1980--41.345.989.5--BC-O-OSJ-9A
NBI reportAurora AvenueGregory Creek15 Ft. W of 6th StreetConcrete Culvert (2 spans)--1980--9.820.390.3--BOLD-35-AURORAA
NBI reportSB Table Mesa Dr.Bear CreekHarvard Ln & SB TableConcrete Culvert (2 spans)--1980--11.824.396.7--BOLD-36-TABMSAD
NBI reportPratt ParkwayBNRR and 1st Avenue0.2 Mi N of Boston AvePrestressed Stringer/Multi-beam or girder (3 spans)--1980--88.6258.977.5FOLONG-PRAPK-1ST
NBI reportHygiene Rd (Cr 10)St. Vrain Creek1.0 Mi W of Co Rd 31Prestressed Stringer/Multi-beam or girder--1981--98.8103.798.5--BC-10-3.1-SV
NBI reportPearl ParkwayLeft Hand Ditch500 Ft W of Foothills PkyConcrete Culvert (3 spans)--1981--12.834.196.9--BOLD-34-PEARLPW
NBI reportSH 157 MLBNSF RRIN BOULDERPrestressed Box Beam or girders - Single or Spread (3 spans)--1981--77.4185.470.9--D-16-CV
NBI reportSH 157 MLBOULDER CREEKJUST N. OF HWY 7Prestressed Stringer/Multi-beam or girder (4 spans)--1981--104.0367.584.2--D-16-CW
NBI reportSH 157 MLWALNUT STREETIN BOULDERConcrete Tee beam (3 spans)--1981--66.6151.992.0--D-16-CX
NBI reportWILD BASIN ROADNORTH ST. VRAIN CREEKHWY 7 TO WILD BASIN TRAILPrestressed Tee beam--1982--28.928.990.0--1520011P0000000
NBI reportWILD BASIN ROADNORTH ST. VRAIN CREEK2.1 MILES FROM PARK BOUNDPrestressed Tee beam--1982--24.924.985.0--1520012P0000000
NBI reportSH170 ML(McCaslin)US 36 ML3.9 MI E OF JCT SH 93Prestressed Stringer/Multi-beam or girder (2 spans)--1983--95.1192.670.4FOE-16-KZ
NBI reportBent WayDry Creek No. 10.1 Mi E of Hover RoadConcrete Culvert (2 spans)--1983--14.128.982.7--LONG-BENT-HOVER
NBI reportN. 95th St (Cr 19)Liggett Ditch1.2 Mi S of Co Rd 38Concrete Culvert--1984--22.322.395.9--BC-19-14.6-ID
NBI reportPrice/Frontage RdsDry CreekS. Sunset St & Hwy 119Concrete Culvert (2 spans)--1984--9.821.081.6--LONG-PRICE-FLO
NBI reportNiwot Road (Cr 34)Dry Creek0.7 Mi E of St Hwy 119Concrete Culvert (2 spans)--1985--13.828.996.5--BC-34-0.7-DC
NBI report17th StreetBoulder Creek0.4 Mi So of Canyon Blvd.Prestressed Box beam or girders - Multiple--1985--102.4104.795.2--BOLD-03-0.36-1A
NBI reportFlatiron ParkwyDry Creek0.1 Mi E of N 55th StreetPrestressed Tee beam--1985--65.968.997.0--BOLD-05-0.10-01
NBI reportKalmia AvenueDry Creek300 Ft E of 28th AvenueConcrete Culvert (3 spans)--1985--16.743.396.8--BOLD-06-0.10-01
NBI reportNorth 55th StreetBoulder Creek0.1 Mi N of Flatiron PkwyPrestressed Stringer/Multi-beam or girder (2 spans)--1985--94.2200.596.0--BOLD-08-0.30-02
NBI reportSH 157 MLPEARL STREET2.7 MI N OF US 36Prestressed Stringer/Multi-beam or girder--1985--149.9153.985.0--D-16-CU
NBI reportUS 287 MLBOULDER CREEK3 MI N OF JCT SH 7Prestressed Stringer/Multi-beam or girder (3 spans)--1985--73.5221.188.0--D-16-DA
NBI reportSH 7 MLBEAR CANYON CREEKJCT 157 & ARAPAHOEConcrete Culvert (7 spans)--1985--14.186.382.9--D-16-DB
NBI reportHover RoadDry Creek No. 10.2 Mi S of Nelson RoadConcrete Culvert (2 spans)--1985--14.429.979.3--LONG-HOVER-NEL
NBI reportCherryvale RoadDavidson Ditch0.9 Mi S of US Hwy 36Metal Culvert--1986--22.622.663.5--BC-39-15.5-ID
NBI reportN. 61st StreetBoulder Creek1.0 Mi So of Jay RoadPrestressed Box beam or girders - Multiple (2 spans)--1986--44.093.878.5FOBC-39-9.9-BO-1
NBI reportS Boulder RoadSouth Boulder Creek0.4 Mi E of US Hwy 36Prestressed Tee beam (2 spans)--1986--55.4120.796.4--BC-60-0.4-SB-1
NBI reportPearl ParkwayS. Goose Creek DrainageAt 49th StreetConcrete Culvert (3 spans)--1986--27.975.168.5--BOLD-18-1.83-01
NBI reportPearl ParkwayNorth Goose Creek0.6 M E of Foothills PkwyConcrete Culvert (3 spans)--1986--14.143.398.0--BOLD-18-2.21-02
NBI report47th StreetSouth Goose Creek40 Ft N of Pearl ParkwayConcrete Culvert (4 spans)--1986--9.842.395.0--BOLD-19-0.01-01
NBI report48th CTS. Goose Creek30 Ft N of Pearl ParkwayConcrete Culvert (3 spans)--1986--16.143.697.0--BOLD-20-0.01-01
NBI reportSH 157 MLSOUTH GOOSE CREEK0.03 MI N OF PEARL STConcrete Culvert (4 spans)--1986--10.241.765.1--D-16-CN
NBI reportSH 157 MLNORTH GOOSE CREEK0.05 MI N OF PEARL ST.Concrete Culvert (7 spans)--1986--7.962.382.5--D-16-CZ
NBI report120th StreetRock Creek0.5 Mi S of S. Boulder RdConcrete Culvert (2 spans)--1986200020.041.378.1--LAF-120TH-001B
NBI reportHygiene Rd (Cr 10)Boulder Feeder Ditch0.7 Mi E of US Hwy 36Concrete Frame--1987--26.928.996.8--BC-10-0.8-ID1
NBI reportSH 157 MLWONDERLAND CREEKIN BOULDERConcrete Culvert (3 spans)--1987--18.758.478.3--D-16-DD
NBI reportSH 157 MLBOULDER, WHITEROCK DITCHIN BOULDERConcrete Culvert (2 spans)--1987--9.821.078.3--D-16-DE
NBI reportMain StreetJames CreekInt of Main and Mill StPrestressed Tee beam--1987--34.837.188.2--JMSTN-LOWER-A
NBI reportProspect Road CR24Boulder Feeder Ditch0.3 Mi E of Co Rd 57Concrete Frame--1988--28.231.897.0--BC-24-0.3-ID1
NBI reportN. 119th St (Cr 3)St. Vrain Creek0.5 Mi N of Co Rd 20Steel Stringer/Multi-beam or girder (2 spans)--1988--59.4127.097.5--BC-3-7.5-SV1
NBI reportCounty Road 38Boulder Creek1.5 Mi W of Co Rd 901Prestressed Tee beam (2 spans)--1988--44.996.598.9--BC-38-6.7-BO1
NBI reportMarshall Rd(Cr 51)South Boulder Creek0.5 Mi N of St Hwy 170Wood Slab--1988--36.138.188.4--BC-51-11.0-SB1
NBI reportCounty Road 80North St. Vrain Creek20 Ft S of US Hwy 36Prestressed Box Beam or girders - Single or Spread--1988--54.561.490.8--BC-80-0.1-NSV1
NBI reportCounty Road 80North St. Vrain Creek0.8 Mi W of US Hwy 36Prestressed Box Beam or girders - Single or Spread--1988--47.650.290.2--BC-80-0.8-NSV1
NBI reportArapahoe AvenueBoulder Creek0.08 Mi E of S. BroadwayPrestressed Box beam or girders - Multiple--1988--84.088.676.8FOBOLD-16-0.08-1A
NBI reportKingsridge Blvd.Wonderland Creek0.2 Mi N of Valmont DriveConcrete Culvert (7 spans)--1988--16.482.094.7--BOLD-18-0.1-01
NBI reportSH 157 MLSH 119 MLIN BOULDERPrestressed Stringer/Multi-beam or girder (2 spans)--1988--102.4198.590.2FOD-16-DF
NBI reportSH 157 MLBNSF RRIN BOULDERPrestressed Stringer/Multi-beam or girder (3 spans)--1988--121.1339.693.1--D-16-DG
NBI reportSH 157 NBNDFOUR MILE CANYON CREEKTWO MILES N OF BOULDER CIPrestressed Box Beam or girders - Single or Spread (2 spans)--1988--64.3132.299.0--D-16-DJ
NBI reportSH 157 SBNDFOUR MILE CANYON CREEK.25 MI S OF SH119 INTSNPrestressed Box Beam or girders - Single or Spread (2 spans)--1988--64.3132.296.9--D-16-DK
NBI reportFDR 112SOUTH ST VRAIN CREEK5.75 MI WEST OF CO HWY 72Prestressed Slab--1989--40.041.048.0SD021004000001202
NBI reportN. 95th St (CR10)Highland Ditch0.5 Mi N of WoodlandConcrete Frame--1989--20.322.696.5--BC-19-1.5-ID1
NBI report47TH STREETSH 157 MLNEAR SH 119 IN BOULDERPrestressed Stringer/Multi-beam or girder (4 spans)--1989--119.1389.898.4--D-16-DL
NBI report15th AvenueOligarchy Ditch100 Ft W of Lamplighte DrConcrete Frame--1989--20.321.796.9--LONG-15TH-LAMP
NBI reportCounty Road 130Middle Boulder Creek2.5 Mi W of St Hwy 72Prestressed Box Beam or girders - Single or Spread--1990--37.442.061.8--BC-130-2.5-MB1
NBI reportBoston Ave (Cr 18)St. Vrain Creek0.1 Mi E of Co Rd 15Prestressed Tee beam (3 spans)--1990--49.9150.390.1--BC-18-0.1-SV1
NBI reportCounty Road 84SSouth St. Vrain Creek0.1 Mi S of St Hwy 7Prestressed Box Beam or girders - Single or Spread--1990--52.558.199.9--BC-84S-0.1-SSV1
NBI reportArapahoe AvenueBoulder Creek50 Ft S of Canyon BlvdPrestressed Box beam or girders - Multiple--1990--89.993.277.5FOBOLD-16-1.3-02A
NBI reportSH 7 MLCOAL CREEK1.7 MI E OF JCT US 287Prestressed Box Beam or girders - Single or Spread (2 spans)--1990--70.9146.090.6--D-16-DM
NBI reportUS 287 MLDRY CREEK2.7 MI NO OF JCT SH 52Concrete Culvert (2 spans)--1990--19.039.094.4--D-16-DN
NBI reportUS 287 MLDRAW0.9 MI S OF JCT SH 52Concrete Culvert (2 spans)--1990--12.124.981.2--D-16-DO
NBI reportHover RoadOligarchy Ditch100 Ft S of 20th StreetConcrete Frame--1990--28.930.884.0--LONG-HOVER-20TH
NBI reportCounty Road 26Left Hand Creek0.6 Mi W of Co Rd 33Prestressed Box Beam or girders - Single or Spread--1991--53.860.098.9--BC-26-5.3-LT1
NBI reportC. R. 41 (61st St)St. Vrain Creek0.5 Mi N of Co Rd 10Prestressed Box Beam or girders - Single or Spread--1991--53.858.491.5--BC-41-1.4-SV1
NBI report
Bridgehunter
County Road 71North St. Vrain Creek30 Ft So of US Hwy 36Wood Arch - Thru--1991--66.976.193.0--BC-71-2.4-NSV1
NBI reportDry Creek DriveDry Creek No. 10.1 Mi So of Bent WayConcrete Frame--1991--29.932.296.1--LONG-DRYCR-BENT
NBI reportN 81st St (Cr 31)Left Hand Creek0.1 M N of Oxford Rd (26)Prestressed Box Beam or girders - Single or Spread--1992--49.956.198.0--BC-31-8.6-LT1
NBI reportSH 93 MLPEDESTRIAN UNDERPASSBROADWAY AT COLLEGE BLVDConcrete Culvert--1992--26.226.279.6FOD-15-BP
NBI report2nd AvenueCoal Creek0.2 Mi South of WilliamsConcrete Slab--1992--29.931.872.1--SUPER-2ND-AVE
NBI reportCounty Road 103Middle St. Vrain Creek0.5 Mi SW of St Hwy 7Prestressed Slab--1993--40.043.392.5--BC-103-0.5-MSV1
NBI reportCounty Road 103Middle St. Vrain Creek200 Ft S of Raymond StorePrestressed Slab--1993--39.743.398.0--BC-103-1.3-MSV1
NBI reportN 49th St (Cr 51)Left Hand Creek0.5 Mi N of Co Rd 34Prestressed Box Beam or girders - Single or Spread--1993--54.158.198.9--BC-51-5.3-LT1
NBI reportUS 36 WBND SPURUS 36 SPUR/BASELINE RDS end of BOULDERPrestressed Box beam or girders - Multiple (2 spans)--1993--155.2314.0100.0--D-15-BO
NBI reportUS 287 NBNDROCK CREEKW. 10TH AVE IN BROOMFIELDPrestressed Stringer/Multi-beam or girder--1993--108.3111.985.0--E-16-MT
NBI reportUS 287DRAWJUST N OF NW PKWYConcrete Culvert (2 spans)--1993--13.124.970.0--E-16-NG
NBI reportDillon RoadCoal Creek & Ped Trail0.5 Mi E of McCaslin BlvdConcrete Frame (2 spans)--1993--21.743.376.9--LOUIS-DILLRD
NBI reportCounty Road 124ENorth Boulder Creek0.1 Mi NE of St Hwy 7Concrete Frame--1994--27.929.599.0--BC-124E-0.1-NB1
NBI reportCR124E-Hummer Dr.North Boulder Creek1.2 Mi NE of St Hwy 73Concrete Frame--1994--27.929.594.9--BC-124E-1.2-NB1
NBI reportCounty Road 128ENorth Boulder Creek3.9 Mi E of St Hwy 72Concrete Frame--1994--32.534.597.0--BC-128E-3.9-NB1
NBI report30th StreetNorth Goose CreekAt Mapleton & 30th StConcrete Frame (2 spans)--1994--27.959.791.0--BOLD-07-1.72-04
NBI reportBroadwayFour Mile CreekAt Rosewood AvenueConcrete Culvert--1994--20.320.396.4--BOLD-BRDWAY-4MI
NBI reportUS 287 ML SBNDROCK CREEK2.2 MI NO OF JCT SH 121Prestressed Stringer/Multi-beam or girder--1994--108.6111.995.3--E-16-MU
NBI reportUS 287 MLDRAWIN BOULDER COUNTYConcrete Culvert (3 spans)--1994--9.532.271.7--E-16-NH
NBI reportEMMA ST.US 287 MLIN LAFAYETTEPrestressed Box beam or girders - Multiple (2 spans)--1994--98.1203.198.9--E-16-PQ
NBI reportAirport RoadDry Creek0.1 Mi N of Buckthorn Dr.Concrete Culvert (4 spans)--1994--12.152.594.8--LONG-AIRPT-BUCK
NBI reportPike RoadLeft Hand Creek0.2 Mi E of Sunset StConcrete Culvert (2 spans)--1994200426.244.699.3--LONG-PIKE-HOVER
NBI reportMoorhead AvenueBear Creek & Bike Pa0.4 Mi NW of Table Mesa DConcrete Culvert--1995--31.231.296.9--BOLD-12-0.78-02
NBI reportMartin DriveBear Creek & Bike Pa300 Ft. E of 36th St.Concrete Culvert (2 spans)--1995--23.632.895.9--BOLD-22-0.44-01
NBI reportMcCaslin BlvdCoal Creek0.3 Mi S of US Hwy 36Prestressed Box Beam or girders - Single or Spread--1995--76.480.195.3--SUPER-MCCASLINA
NBI reportCounty Road 35St. Vrain Creek0.2 Mi S of Co Rd 10Steel Stringer/Multi-beam or girder (2 spans)--1996--44.394.598.0--BC-35-0.2-SV1
NBI reportFlagstaff Rd CR56Hillside Slide1.0 Mi W of Baseline RdConcrete Slab (6 spans)--1996--29.9170.077.2FOBC-56-00.9-SS
NBI report55th StreetEmpson Ditch250 Ft N of Penn. Ave.Prestressed Box Beam or girders - Single or Spread--1996--44.048.985.2--BOLD-08-0.49-1A
NBI reportLookout RoadBoulder Cr. Supply Ditch0.28 Mi E of Spine RoadConcrete Culvert--1996--20.320.396.3--BOLD-17-0.28-1A
NBI reportLookout RoadBoulder & Whiterock Ditc0.32 Mi Eof Spine StreetConcrete Culvert--1996--20.720.796.3--BOLD-17-0.32-2A
NBI reportMohawk DriveBear Creek & Bike Pa0.25 Mi No of Baseline RdConcrete Culvert--1996--21.021.097.7--BOLD-21-1.20-01
NBI reportUS 287 MLCOAL CREEKIN BOULDER COUNTYPrestressed Stringer/Multi-beam or girder (2 spans)--1996--69.2141.198.9--E-16-PN
NBI reportSOUTH BOULDER RDDRAINAGE DITCH ARIN LAFAYETTEConcrete Culvert--1996--20.020.091.5--E-16-PO
NBI reportSunset WayDry Creek20 Ft SW of Korte WayConcrete Frame--1996--34.135.897.0--LONG-SUNS-KORT
NBI reportCounty Road 47St. Vrain Supply Canal2.7 Mi N of St Hwy 66Prestressed Box Beam or girders - Single or Spread--1997--49.254.180.2--BC-47-0.1-ID1
NBI reportUS 287 MLLOWER BOULDER DITCH3.4 MI N OF LAFAYETTEConcrete Culvert--1997--20.320.383.4--D-16-DP
NBI reportFordham StreetDry Creek0.3 Mi So of Nelson RoadConcrete Frame--1997--29.931.883.5--LONG-FORD-QUAIL
NBI reportHarvard StreetOligarchy Ditch50 Ft So. of N. Shore Dr.Concrete Frame--1998--24.025.995.5--LONG-HARD-NSHOR
NBI reportValmont RdBoulder Creek200 Ft. E of 55th StreetPrestressed Box beam or girders - Multiple (2 spans)--1999--89.9189.096.3--BC-52-1.9-BO1
NBI reportUS 287 MLHIGHLAND DITCH2.1 MI NO OF JCT SH 66Concrete Culvert (2 spans)--1999--15.431.881.6--D-16-BC
NBI reportSH 170 MLCOMMUNITY DITCHE ENT ELDORADO STATE PARKSteel Stringer/Multi-beam or girder--1999--40.043.061.4--E-15-AA
NBI reportUS 36 MLFLAT IRON CIRCLE EASTNEAR FLATIRONS CROSSINGPrestressed Stringer/Multi-beam or girder (3 spans)--1999--86.6213.387.9--E-16-IB
NBI reportIndiana AvenueRock Creek150 Ft N of Coalton DConcrete Culvert (2 spans)--1999--14.128.984.5--SUPER-INDIANA
NBI reportRock Creek Pkwy.Rock Creek0.3 Mi N of Coalton DConcrete Culvert (4 spans)--1999--23.6101.788.9--SUPER-ROCKCKBL
NBI reportCounty Road 96South St. Vrain Creek100 Ft. W of St Hwy 72Steel Stringer/Multi-beam or girder--2000--20.324.990.7--BC-96-0.1-SSV1
NBI reportUS 36 MLST VRAIN CREEKIN LYONSPrestressed Box beam or girders - Multiple (2 spans)--2000--58.4121.195.8--D-15-I
NBI report88TH ST.US 36 ML3.5 MI W. OF SH 121Prestressed Stringer/Multi-beam or girder (2 spans)--2000--160.4324.881.2--E-16-QU
NBI reportHorizon AvenueRock Creek.1 MI East 120thConcrete Culvert (4 spans)--2000--20.076.198.0--LAF-HORIZ-004
NBI report17th AvenueSpring Gulch750 Ft E of Whitehall DrConcrete Culvert (3 spans)--2000--15.748.695.3--LONG-17TH-WHTHL
NBI reportDeerwood DriveOligarchy Ditch20 Ft W of Co Rd 1Concrete Culvert (2 spans)--2000--12.124.996.9--LONG-DRWD-SMRHK
NBI reportOlympia AvenueSpring Gulch200 feet E of Boise CourtConcrete Culvert (3 spans)--2000--14.144.097.9--LONG-OLYM-BOISE
NBI reportPace StreetSpring Gulch.15 Mi. N of WyndemereConcrete Culvert (3 spans)--2000--14.445.399.2--LONG-PACE-WYDMR
NBI reportRogers RoadLykin Gulch0.25 Mi W of Airport RdConcrete Culvert (6 spans)--2000--24.9162.480.3--LONG-ROGR-AIRRD
NBI reportSouth Sunset St.Left Hand Creek200 ft N of Creekside DrConcrete Frame (3 spans)--2000--21.368.9100.0--LONG-SNST-CRKSD
NBI reportCoalton DriveRock Creek0.15 Mi East of McCaslinConcrete Culvert (3 spans)--2000--16.150.284.0--SUPER-COALTON
NBI reportRock Creek PkwyRock Creek300 Ft East of McCaslinConcrete Frame--2000--32.235.196.9--SUPER-ROKCKBL-B
NBI report27th StreetGoose CreekBetween Folsom St & SPrestressed Box Beam or girders - Single or Spread--2001--63.368.284.5--BOLD-39-27THST
NBI reportUS 36 MLRAMP B & BIKEPATH1.5 MI E. OF SUPERIORPrestressed Box Beam or girders - Single or Spread--2001--53.256.889.0--E-16-HK
NBI reportAirport Road CR25Left Hand Creek50 Ft N of St Hwy 119Prestressed Box beam or girders - Multiple--2003--65.068.697.8--BC-25-4.7-LT1
NBI reportSH 119 ML, E.BndLEFT HAND CREEK3.6 MI NE OF SH 52Prestressed Box Beam or girders - Single or Spread (2 spans)--2003--85.6174.294.6FOD-16-DV
NBI reportSH 119 ML, W.BndLEFTHAND CREEK3.6 MI NE OF SH 52Prestressed Box Beam or girders - Single or Spread (2 spans)--2003--85.6174.298.7--D-16-DW
NBI reportSH 119 ML EBNDST VRAIN RIVERNEAR LONGMONTPrestressed Box Beam or girders - Single or Spread (2 spans)--2003--143.4290.498.7--D-16-DX
NBI reportSH 119 ML WBNDST. VRAIN RIVERNEAR LONGMONTPrestressed Box Beam or girders - Single or Spread (2 spans)--2003--143.4290.498.7--D-16-DY
NBI reportSH 93 MLBOULDER CREEKIN BOULDERPrestressed Tee beam (3 spans)NR listed2004--131.9206.079.3FOD-15-BC
NBI reportSH 119 MLOLIGARCHY DITCHIN LONGMONTConcrete Culvert (2 spans)--2004--9.821.069.8FOD-16-DZ
NBI reportE 9th AvenueOligarchy Ditch100 ft E of Alpine StreetConcrete Culvert (3 spans)--2004--24.082.495.1--LONG-E9TH-ALP-A
NBI reportGrandview Meadow DDry Creek0.4 Mi So of Nelson RdConcrete Frame--2004--20.021.799.7--LONG-GRAND-CLBN
NBI reportSixth St (CR 130)Middle Boulder Creek.1 Mi S CR 130Eldorado RdConcrete Frame--2005--29.931.891.2--BC-130-3.3-MB
NBI reportFairways DriveLocal Drainage.4 Mi S of Neva RdConcrete Culvert (3 spans)--2005--16.143.396.8--BC-426606-0.4A
NBI reportNiwot Meadow FarmDry Creek No 20.2 Mi E of 83rd StPrestressed Box Beam or girders - Single or Spread--2005--67.674.296.8--BC-572705-0.2DR
NBI reportGolf Club DriveLocal Drainage0.1 Mi So of Hogan CtConcrete Culvert (3 spans)--2005--12.131.590.4--BC-580802-0.1
NBI reportGolf Club DriveLocal Drainage0.4 Mi So of Hogan CtConcrete Culvert (3 spans)--2005--11.831.296.8--BC-580802-0.4
NBI reportIris AveElmers Two Mile Ditch0.15 Mi W of US36/28th StConcrete Culvert--2005--20.020.080.2--BOLD-40-IRISAVE
NBI reportValmont Rd (CR 52)South Boulder Creek0.4 Mi E of 55th St.Prestressed Box beam or girders - Multiple (2 spans)--2006--89.9189.395.4--BC-52-2.1-SB-A
NBI reportAirport RoadLykins Gulch500 ft N of Rogers RoadConcrete Culvert (4 spans)--2006--14.458.497.7--LONG-AIRRD-ROGR
NBI reportAirport RoadSt. Vrain River Overflow0.2 Mi N of St Vrain RdConcrete Culvert--2006--14.143.694.9--LONG-AIRRD-SVRD
NBI report96th StreetBNSF RR250 Ft. N of CR 19Prestressed Box beam or girders - Multiple (4 spans)--2006--94.5252.397.6--LOUIS-96TH-BNSF
NBI report96th StreetCoal Creek0.15 Mi. S. of SH42Prestressed Stringer/Multi-beam or girder (2 spans)--2006--119.1247.198.7--LOUIS-96TH-COAL
NBI reportSH 7 (ARAPAHOE)BIKE/PED UNDERPASSEAST OF JCT SH 7 & SH157Concrete Frame (2 spans)--2006--20.020.096.1--D-16-DQ
NBI reportMcConnell DriveSaint Vrain Creek50 Ft S of US36 / SH66Concrete Frame (3 spans)--2006--29.995.896.8--LYMCCON-W.02-36
NBI reportUS 36 MLNORTH ST VRAIN CREEKIN LYONSPrestressed Stringer/Multi-beam or girder--2007--86.088.698.5--D-15-BA
NBI reportUS 36 MLNORTH ST VRAIN CREEKIN LYONSPrestressed Box beam or girders - Multiple--2007--89.993.281.1--D-15-BB
NBI report27th WaySkunk Creek0.2 Mi No of St Hwy 93Concrete Culvert--2008--20.020.096.9--BOLD-13-0.30-1A
NBI reportCHERRYVALE ROADSH 36 ML1.4 MI E OF JCT SH 157Prestressed Stringer/Multi-beam or girder (2 spans)NR possible2009--139.4289.497.7--E-16-QT
NBI reportN. 95th St (CR19)Left Hand Creek.4 Mi S of SH 119Prestressed Box beam or girders - Multiple--2009--96.1102.797.7--BC-19-9.0-LT-A
NBI reportMartin StreetSaint Vrain River0.1 Mi N of SH119Prestressed Box beam or girders - Multiple (4 spans)--2009--72.5303.293.6--LONG-MART-KEN
NBI report95 Street (CR 19)Boulder Creek1.7 Mi S of CR28Prestressed Box beam or girders - Multiple--2010--120.1125.098.3--BC-19-15.0-BO-A
NBI reportNiwot Road CR34Boulder Feeder Ditch100 Ft. E of N. 55th StPrestressed Slab--2010--33.137.197.7--BC-34-3.3-ID-A
NBI reportNFSR 112.0SOUTH ST VRAIN CREEKW. SIDE OF BRAINARD LAKEConcrete Frame--2011--24.025.393.0--021001000015812
NBI report30th StreetBoulder & Lefthand D400 Ft So of Pearl StConcrete Slab (3 spans)--2011--23.668.692.8--BOLD-07-1.49-3A
NBI reportSH 52 MLBOULDER CREEK2.4 MI E OF JCT US 287Prestressed Box beam or girders - Multiple (5 spans)--2011--47.9218.592.8--D-16-DS
NBI reportN 115th StHighland Ditch0.95 Mi N of Vermillion RConcrete Culvert--2012--22.622.697.9--BC-3-2.3-IDA
NBI reportS Pratt ParkwayLeft Hand CreekAt Missouri AvenueConcrete Culvert (3 spans)--2012--20.057.197.0--LONG-PRAPK-MISA
NBI reportCo Rd 3 / 119th SDry Creek No 20.9 Mi S of SH119Prestressed Slab--2013--40.044.098.3--BC-3-8.1-DR2
NBI reportSH 93 MLPED. UNDERPASSBROADWAY AND 16TH ST.Concrete Frame--2013--24.027.994.9--D-15-BG
NBI reportSH 93 MLSKUNK CREEK PATH0.1 MI N of 27th WAYConcrete Culvert--2014--22.022.076.1--D-15-CC