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12TH ST over I-94

Map 

Coordinates:
+42.35464, -83.08518
42°21'17" N, 83°05'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:12TH ST over I-94
Structure number:000000000011188
Old structure number:82182023000S200 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:65.0 ft. [19.8 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:58.4 ft. [17.8 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Owner:State Highway Agency [01]
Year built:1953
Year reconstructed:1999
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:2
Main spans material:Prestressed concrete [5]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2015 

Status:Open, no restriction [A]
Average daily traffic:1,499 [as of 2010]
Truck traffic:1% 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:72.2 tons [65.6 metric tons]
Inventory rating:36.9 tons [33.5 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:78.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201578.2Functionally obsoleteGoodGoodGood1499
November 201376.2Functionally obsoleteGoodGoodGood1499
November 201173.3Functionally obsoleteGoodGoodGood9020
November 200975.3Functionally obsoleteVery GoodVery GoodGood9020
July 200775.3Not deficientVery GoodVery GoodGood9020
July 200575.3Not deficientVery GoodVery GoodGood9020
July 200375.3Not deficientVery GoodVery GoodGood9020
July 200175.3Not deficientVery GoodVery GoodGood9020
May 200175.3Not deficient--Good9020
August 19992.0Structurally deficientSeriousCriticalSatisfactory9020
November 19982.0Structurally deficientSeriousCriticalSatisfactory9020
May 199725.7Structurally deficientSeriousSeriousSatisfactory9020
May 199643.6Structurally deficientPoorPoorSatisfactory9020
July 199445.6Structurally deficientFairPoorSatisfactory9020
May 199246.7Structurally deficientSatisfactoryPoorSatisfactory9020
May 199046.7Structurally deficientSatisfactoryPoorSatisfactory9020