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