14TH ST over I-75


+42.33253, -83.07716
42°19'57" N, 83°04'38" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:14TH ST over I-75
Structure number:000000000011760
Old structure number:82182195000S010 (from 1992 edition)
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:67.9 ft. [20.7 m]
Total length:330.1 ft. [100.6 m]
Roadway width between curbs:57.7 ft. [17.6 m]
Deck width edge-to-edge:80.4 ft. [24.5 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1970
Year reconstructed:1994
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:15,000 [as of 1991]
Truck traffic:6% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:66.7 tons [60.6 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Sufficiency rating:47.2
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201647.2PoorSatisfactoryFairPoorSD15000
May 201547.2PoorSatisfactoryFairPoorSD15000
May 201362.6FairSatisfactoryFairFairFO15000
May 201162.6FairSatisfactoryFairFairFO15000
May 200962.6FairSatisfactoryFairFairFO15000
May 200862.6FairSatisfactoryFairFairFO15000
May 200662.6FairSatisfactoryFairFairFO15000
May 200462.6FairSatisfactoryFairFairFO15000
May 200262.6FairSatisfactoryFairFairFO15000
May 200062.6FairSatisfactoryFairFairFO15000
August 199864.6FairSatisfactoryFairFairFO15000
August 199678.3FairGoodFairSatisfactory-15000
August 199472.9PoorSeriousFairFairSD15000
October 199374.8PoorSeriousGoodFairSD5560
July 199274.8PoorSeriousGoodFairSD5560
April 199158.4PoorSeriousPoorFairSD5560

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.3,7813,7612000
Reinforced Concrete Decksq. ft.26,53326,533000
Steel Pin or Pin & Hangar Assemblyeach4444000
Reinforced Concrete Columneach3030000
Reinforced Concrete Abutmentlinear ft.1841444000
Reinforced Concrete Pier Caplinear ft.45639450120
Strip Seal Jointlinear ft.160016000
Compression Jointlinear ft.320320000
Movable Bearingeach4444000
Fixed Bearingeach3331200
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6606006000