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30TH ST over I-94

Map

Coordinates:
+42.34303, -83.11512
42°20'35" N, 83°06'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:30TH ST over I-94
Structure number:000000000011178
Old structure number:82182023000S100 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:57.7 ft. [17.6 m]
Total length:177.8 ft. [54.2 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:67.6 ft. [20.6 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:21°
Owner:State Highway Agency [01]
Year built:1951
Year reconstructed:1996
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:4
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: July 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 1994]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:106.9 tons [97.2 metric tons]
Inventory rating:63.8 tons [58.0 metric tons]
Sufficiency rating:75.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201675.1GoodGoodGoodGoodFO6000
July 201475.1GoodGoodGoodGoodFO6000
July 201275.1GoodGoodGoodGoodFO6000
July 201075.1GoodGoodGoodGoodFO6000
July 200875.1GoodGoodGoodGoodFO6000
July 200675.1GoodGoodGoodGoodFO6000
June 200475.1GoodGoodGoodGood-6000
June 200275.1GoodGoodGoodGood-6000
June 200075.1GoodGoodGoodGood-6000
October 199975.1GoodGoodGoodGood-6000
July 199846.6PoorVery GoodPoorFair-6000
April 199760.5PoorPoorGoodFair-6000
May 199643.3PoorPoorPoorFair-6000
May 199446.5PoorFairPoorFairSD4510
May 199246.5PoorFairPoorFairSD4510
April 199046.5PoorFairPoorFairSD4510