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TWELFTH STREET over CONRAIL

Map 

Coordinates:
+42.32367, -83.06738
42°19'25" N, 83°04'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:TWELFTH STREET over CONRAIL
Structure number:000000000012370
Old structure number:824180800319R01 (from 1992 edition)
Location:TWELFTH ST N OF LAFAYETTE
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Local (Urban) [19]
Length of largest span:96.8 ft. [29.5 m]
Total length:160.8 ft. [49.0 m]
Roadway width between curbs:91.9 ft. [28.0 m]
Deck width edge-to-edge:113.9 ft. [34.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:49°
Owner:City or Municipal Highway Agency [04]
Year built:1984
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: December 2015 

Status:Open, no restriction [A]
Average daily traffic:4,656 [as of 2008]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
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]
Inventory rating:44.0 tons [40.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.3

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201594.3Functionally obsoleteFairSatisfactoryGood4656
December 201394.3Functionally obsoleteFairSatisfactoryGood4656
December 201195.3Functionally obsoleteGoodGoodVery Good4656
June 200999.4Not deficientGoodGoodVery Good4656
August 200899.4Not deficientGoodGoodVery Good4656
September 200688.2Not deficientGoodFairVery Good5078
August 200499.3Not deficientVery GoodVery GoodVery Good5078
July 200298.4Not deficientVery GoodVery GoodVery Good16663
August 199898.4Not deficientVery GoodVery GoodVery Good16663
July 199698.7Not deficientVery GoodVery GoodVery Good13524
June 199499.0Not deficientVery GoodVery GoodVery Good13524
September 199299.5Not deficientVery GoodVery GoodVery Good6800
May 199099.5Not deficientVery GoodVery GoodVery Good6800