I 70 ML over US6,RR,CITY ST


+39.78011, -104.96694
39°46'48" N, 104°58'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 70 ML over US6,RR,CITY ST
Structure number:E-17-FX
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:154.9 ft. [47.2 m]
Total length:6267.4 ft. [1910.2 m]
Roadway width between curbs:86.0 ft. [26.2 m]
Deck width edge-to-edge:90.9 ft. [27.7 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:138,000 [as of 2011]
Truck traffic:9% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:62.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$104,371,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201462.0Functionally obsoleteFairFairFair138000
September 201262.0Functionally obsoleteFairFairFair137000
January 201162.0Functionally obsoleteFairFairFair137000
January 201044.0Structurally deficientPoorPoorPoor137000
January 200927.0Structurally deficientPoorSeriousPoor139000
November 200744.0Structurally deficientPoorPoorPoor139600
January 200544.0Structurally deficientPoorPoorFair136744
January 200361.0Functionally obsoleteFairFairFair136785
November 200061.0Functionally obsoleteFairFairFair133121
January 19990.0Not applicableFairFairPoor22600
November 199746.0Structurally deficientFairFairPoor115600
December 199447.0Structurally deficientFairFairPoor115600
September 199247.0Structurally deficientFairFairPoor107400
September 199163.0Functionally obsoleteSatisfactoryFairFair104200