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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

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:14,759 [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:Basically intolerable requiring high priority of corrrective action [3]
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:51.9 tons [47.2 metric tons]
Sufficiency rating:55.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,879,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201655.5FairSatisfactoryFairSatisfactoryFO14759
May 201459.4FairSatisfactoryFairSatisfactory-15916
May 201259.4FairSatisfactoryFairSatisfactory-16091
May 201058.1FairFairFairSatisfactory-16693
May 200860.9FairSatisfactoryFairSatisfactory-17573
June 200647.0FairSatisfactoryFairSatisfactoryFO66778
June 200359.7PoorPoorFairSatisfactorySD133556

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Closed Web/Box Girderlinear ft.1,07752455300
Steel Protective Coatingsq. ft.21,50621,506000
Steel Girder/Beamlinear ft.1,4501,450000
Steel Protective Coatingsq. ft.21,50621,506000
Steel Stringerlinear ft.4,2604,260000
Steel Protective Coatingsq. ft.10,75310,753000
Deck
Reinforced Concrete Decksq. ft.59,01948,98610,03300
Wearing Surfacessq. ft.51,76742,9678,80000
Superstructure
Steel Trusslinear ft.8528421000
Steel Protective Coatingsq. ft.10,75310,753000
Steel Floor Beamlinear ft.1,5551,18537000
Steel Protective Coatingsq. ft.53,76653,766000
Substructure
Steel Columneach44000
Steel Protective Coatingsq. ft.21,50621,506000
Reinforced Concrete Pier Walllinear ft.249249000
Reinforced Concrete Pile Cap/Footinglinear ft.77000
Joints
Assembly without Seal Jointlinear ft.118011800
Other Jointlinear ft.218021800
Bearings
Movable Bearingeach2020000
Steel Protective Coatingsq. ft.32,25932,259000
Fixed Bearingeach1111000
Steel Protective Coatingsq. ft.32,25932,259000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,8051,798610