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14TH ST over I-75

Map 

Coordinates:
+42.33253, -83.07716
42°19'57" N, 83°04'38" W
Source: National Bridge Inventory (1992, 2000, 2010 editions)
Information not verified. Use at your own risk.

Facts 

Name:14TH ST over I-75
Structure number:82182195000S010
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 continuous [4]
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]

2010 Inspection 

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:Fair [5 out of 9]
Scour condition:Bridge not over waterway. [N]
Operating rating:91.0 tons [82.7 metric tons]
Inventory rating:43.0 tons [39.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:62.6
Recommended work:Bridge deck replacement with only incidental widening. [37]

2000 Inspection 

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:Fair [5 out of 9]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:91.0 tons [82.7 metric tons]
Inventory rating:43.0 tons [39.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:64.6
Recommended work:Bridge deck replacement with only incidental widening. [37]

1992 Inspection 

Status:Open, no restriction [A]
Average daily traffic:5,560 [as of 1978]
Deck condition:Serious [3 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Inventory rating:42.6 tons [38.7 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:58.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$374,000