Share:

14TH ST over I-75

Map 

Coordinates:
+42.33253, -83.07716
42°19'57" N, 83°04'38" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:14TH ST over I-75
Structure number:000000000011760
Old structure number:82182195000S010 (from 1992 edition)
Location:IN DETROIT
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
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 2015 

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]
Evaluation:Structurally deficient [1]
Sufficiency rating:47.2
Recommended work:Bridge deck replacement with only incidental widening. [37]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201547.2Structurally deficientSatisfactoryFairPoor15000
May 201362.6Functionally obsoleteSatisfactoryFairFair15000
May 201162.6Functionally obsoleteSatisfactoryFairFair15000
May 200962.6Functionally obsoleteSatisfactoryFairFair15000
May 200862.6Functionally obsoleteSatisfactoryFairFair15000
May 200662.6Functionally obsoleteSatisfactoryFairFair15000
May 200462.6Functionally obsoleteSatisfactoryFairFair15000
May 200262.6Functionally obsoleteSatisfactoryFairFair15000
May 200062.6Functionally obsoleteSatisfactoryFairFair15000
August 199864.6Functionally obsoleteSatisfactoryFairFair15000
August 199678.3Not deficientGoodFairSatisfactory15000
August 199472.9Structurally deficientSeriousFairFair15000
October 199374.8Structurally deficientSeriousGoodFair5560
July 199274.8Structurally deficientSeriousGoodFair5560
April 199158.4Structurally deficientSeriousPoorFair5560