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
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:	3,279 `[as of 2008]`
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Very Good `[8 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
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]`
Inventory rating:	42.0 tons `[38.2 metric tons]`
Sufficiency rating:	94.5

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