PIQUETTE over I-75

Map

Coordinates:
+42.37079, -83.05877
42°22'15" N, 83°03'32" W

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

Name:	PIQUETTE over I-75
Structure number:	000000000011841
Old structure number:	82182252000S010 `(from 1992 edition)`
Location:	IN DETROIT
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Local (Urban) `[19]`
Length of largest span:	75.8 ft. `[23.1 m]`
Total length:	216.5 ft. `[66.0 m]`
Roadway width between curbs:	45.9 ft. `[14.0 m]`
Deck width edge-to-edge:	67.9 ft. `[20.7 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	9°
Owner:	State Highway Agency `[01]`
Year built:	1966
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:	4
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	1,662 `[as of 2010]`
Truck traffic:	3% of total traffic
Deck condition:	Poor `[4 out of 9]`
Superstructure condition:	Poor `[4 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
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]`
Sufficiency rating:	63.6

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
April 2016	Poor	Poor	Poor	Good	1662	63.6
April 2014	Poor	Poor	Poor	Good	1662	63.6
April 2012	Poor	Poor	Poor	Good	1662	63.6
May 2010	Poor	Poor	Poor	Good	2600	62.4
May 2008	Poor	Poor	Poor	Poor	2600	62.4
April 2006	Poor	Poor	Poor	Poor	2600	46.0
January 2005	Poor	Poor	Fair	Poor	2600	46.0
October 2003	Poor	Poor	Fair	Poor	2600	46.0
June 2002	Poor	Poor	Fair	Poor	2600	46.0
June 2000	Fair	Fair	Fair	Fair	2600	61.4
September 1998	Fair	Fair	Fair	Fair	2600	61.4
September 1996	Fair	Fair	Good	Fair	2600	64.4
October 1994	Fair	Fair	Good	Satisfactory	2600	75.5
August 1992	Fair	Fair	Good	Satisfactory	2600	75.5
June 1990	Poor	Poor	Good	Satisfactory	2600	73.4