PIQUETTE over I-75

Map

Coordinates:
+42.37063, -83.05918
42°22'14" N, 83°03'33" 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:	14.4 ft. `[4.4 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]`
Operating rating:	80.0 tons `[72.7 metric tons]`
Inventory rating:	37.0 tons `[33.6 metric tons]`
Sufficiency rating:	63.6

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