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TWELFTH STREET over CONRAIL

Map

Coordinates:
+42.32367, -83.06738
42°19'25" N, 83°04'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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:90.9 ft. [27.7 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 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,000 [as of 2015]
Truck traffic:3% 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:Equal to present desirable criteria [8]
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]
Sufficiency rating:94.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017GoodGoodGoodGood800094.8
December 2015FairFairSatisfactoryGood465694.3
December 2013FairFairSatisfactoryGood465694.3
December 2011GoodGoodGoodVery Good465695.3
June 2009GoodGoodGoodVery Good465699.4
August 2008GoodGoodGoodVery Good465699.4
September 2006FairGoodFairVery Good507888.2
August 2004GoodVery GoodVery GoodVery Good507899.3
July 2002GoodVery GoodVery GoodVery Good1666398.4
August 1998GoodVery GoodVery GoodVery Good1666398.4
July 1996GoodVery GoodVery GoodVery Good1352498.7
June 1994GoodVery GoodVery GoodVery Good1352499.0
September 1992GoodVery GoodVery GoodVery Good680099.5
May 1990GoodVery GoodVery GoodVery Good680099.5

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Reinforced Concrete Decksq. ft.122,709120,5562,15300
Joints
Strip Seal Jointlinear ft.974974000