LAFAYETTE STREET over CONRAIL

Map

Coordinates:
+42.32349, -83.06691
42°19'25" N, 83°04'01" W

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	LAFAYETTE STREET over CONRAIL
Structure number:	000000000012363
Old structure number:	824180800164R01 `(from 1992 edition)`
Location:	LAFAYETTE AT TWELFTH ST
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	74.8 ft. `[22.8 m]`
Total length:	125.3 ft. `[38.2 m]`
Roadway width between curbs:	57.1 ft. `[17.4 m]`
Deck width edge-to-edge:	79.1 ft. `[24.1 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	33°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1984
Year reconstructed:	2016
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18+Mod / HS 20+Mod `[6]`
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]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	3,500 `[as of 2015]`
Truck traffic:	3% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Very Good `[8 out of 9]`
Structural appraisal:	Equal to present desirable criteria `[8]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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:	93.5

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
December 2017	Fair	Fair	Very Good	Very Good	3500	93.5
December 2015	Fair	Satisfactory	Good	Very Good	3279	94.5
December 2013	Fair	Satisfactory	Good	Very Good	3279	94.5
December 2011	Fair	Satisfactory	Good	Very Good	3279	94.5
June 2009	Fair	Satisfactory	Good	Very Good	3279	98.5
January 2009	Fair	Satisfactory	Good	Very Good	3279	98.5
September 2006	Fair	Satisfactory	Good	Very Good	3476	98.5
August 2004	Good	Good	Very Good	Very Good	3476	98.7
July 2002	Good	Good	Very Good	Very Good	3241	98.7
September 2000	Good	Good	Very Good	Very Good	3241	98.7
August 1998	Good	Good	Very Good	Very Good	3241	98.7
July 1996	Good	Very Good	Very Good	Very Good	2397	98.8
June 1994	Good	Very Good	Very Good	Very Good	2397	98.8
September 1992	Good	Very Good	Very Good	Very Good	7000	98.5
May 1990	Good	Very Good	Very Good	Very Good	7000	98.5