Share:

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.

Facts 

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:
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]

Latest Available Inspection: April 2014 

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]
Evaluation:Structurally deficient [1]
Sufficiency rating:63.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201463.6Structurally deficientPoorPoorGood1662
April 201263.6Structurally deficientPoorPoorGood1662
May 201062.4Structurally deficientPoorPoorGood2600
May 200862.4Structurally deficientPoorPoorPoor2600
April 200646.0Structurally deficientPoorPoorPoor2600
January 200546.0Structurally deficientPoorFairPoor2600
October 200346.0Structurally deficientPoorFairPoor2600
June 200246.0Structurally deficientPoorFairPoor2600
June 200061.4Functionally obsoleteFairFairFair2600
September 199861.4Functionally obsoleteFairFairFair2600
September 199664.4Functionally obsoleteFairGoodFair2600
October 199475.5Functionally obsoleteFairGoodSatisfactory2600
August 199275.5Functionally obsoleteFairGoodSatisfactory2600
June 199073.4Structurally deficientPoorGoodSatisfactory2600