Share:

FORT DUQ BR SB over FT DUQ BRDG NB, ALLEGH R

Map 

Coordinates:
+40.44500, -80.01000
40°26'42" N, 80°00'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:FORT DUQ BR SB over FT DUQ BRDG NB, ALLEGH R
Structure number:000000000043172
Old structure number:020279006504520 (from 1992 edition)
Location:I-279 SB FT DUQ. BR
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:422.9 ft. [128.9 m]
Total length:921.0 ft. [280.7 m]
Roadway width between curbs:53.5 ft. [16.3 m]
Deck width edge-to-edge:61.4 ft. [18.7 m]
Vertical clearance above deck:13.8 ft. [4.2 m]
Vertical clearance below bridge:1624.1 ft. [495.0 m]
Owner:State Highway Agency [01]
Year built:1959
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:15,916 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:86.8 tons [78.9 metric tons]
Inventory rating:51.8 tons [47.1 metric tons]
Sufficiency rating:59.4
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$2,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201459.4Not deficientSatisfactoryFairSatisfactory15916
May 201259.4Not deficientSatisfactoryFairSatisfactory16091
May 201058.1Not deficientFairFairSatisfactory16693
May 200860.9Not deficientSatisfactoryFairSatisfactory17573
June 200647.0Functionally obsoleteSatisfactoryFairSatisfactory66778
June 200359.7Structurally deficientPoorFairSatisfactory133556