I-75 over FORT ST


+42.29857, -83.12339
42°17'55" N, 83°07'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 over FORT ST
Structure number:000000000011734
Old structure number:82182194000S060 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:123.0 ft. [37.5 m]
Total length:821.9 ft. [250.5 m]
Roadway width between curbs:125.7 ft. [38.3 m]
Deck width edge-to-edge:132.6 ft. [40.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:66°
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:1981
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:10
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:100,492 [as of 2007]
Truck traffic:12% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:62.5
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017PoorPoorSatisfactoryPoor10049262.5
May 2015PoorPoorSatisfactoryFair10049278.5
May 2013PoorPoorSatisfactoryFair10049278.5
May 2011FairFairSatisfactorySatisfactory10049291.5
May 2009FairFairSatisfactorySatisfactory10049291.5
June 2007FairFairSatisfactorySatisfactory10300091.5
June 2005FairFairSatisfactorySatisfactory9900091.5
April 2003FairFairSatisfactorySatisfactory9900091.5
April 2001FairFairSatisfactorySatisfactory9900091.5
May 1999FairFairSatisfactorySatisfactory9900096.5
July 1997FairFairSatisfactorySatisfactory9900092.0
August 1996PoorSatisfactorySatisfactoryPoor8400066.0
August 1994PoorSatisfactoryVery GoodPoor9300066.0
June 1992PoorSatisfactoryVery GoodPoor9300066.0
May 1990PoorGoodVery GoodPoor9300066.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.53,91753,917000
Steel Protective Coatingsq. ft.2,396,843743,022934,770719,0510
Reinforced Concrete Decksq. ft.1,171,243409,933468,499292,8110
Steel Pin or Pin & Hangar Assemblyeach4040000
Reinforced Concrete Columneach683026111
Reinforced Concrete Abutmentlinear ft.8667689800
Reinforced Concrete Pier Caplinear ft.4,7902,4484131,732197
Strip Seal Jointlinear ft.3,1242,6900217217
Pourable Jointlinear ft.866008660
Movable Bearingeach120635205
Fixed Bearingeach1407833254
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.8,0907,1882466560