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FORT DUQUESNE BR over FT DUQ BR SB,ALLEG RVR

Map

Coordinates:
+40.44528, -80.00956
40°26'43" N, 80°00'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:FORT DUQUESNE BR over FT DUQ BR SB,ALLEG RVR
Structure number:000000000001023
Old structure number:020279006404520 (from 1992 edition)
Location:I279 NB FT.DUQ.BR.
Purpose:Carries highway over highway and 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:18.0 ft. [5.5 m]
Vertical clearance below bridge:495.1 ft. [150.9 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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,879 [as of 2016]
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]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:41.9 tons [38.1 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Sufficiency rating:49.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,478,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201649.8FairSatisfactoryFairSatisfactoryFO13879
May 201449.1FairSatisfactoryFairSatisfactoryFO14967
May 201249.2FairSatisfactoryFairSatisfactoryFO15132
May 201047.9FairSatisfactoryFairSatisfactoryFO16794
May 200847.0FairSatisfactoryFairSatisfactoryFO42570
June 200647.0FairSatisfactoryFairSatisfactoryFO41576
June 200547.0FairSatisfactoryFairSatisfactoryFO68915
June 200352.7PoorPoorFairSatisfactorySD125644
July 200154.7PoorPoorFairSatisfactorySD104176
August 199952.7FairFairSatisfactorySatisfactoryFO101130
May 199752.7FairFairSatisfactorySatisfactoryFO96918
May 199552.7FairFairSatisfactorySatisfactoryFO92250
April 199352.7FairFairSatisfactorySatisfactoryFO90000
April 199152.7FairFairSatisfactorySatisfactoryFO52998