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HOLBROOK AVE over I-75

Map 

Coordinates:
+42.38643, -83.06829
42°23'11" N, 83°04'06" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:HOLBROOK AVE over I-75
Structure number:000000000011845
Old structure number:82182252000S050 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:78.4 ft. [23.9 m]
Total length:156.5 ft. [47.7 m]
Roadway width between curbs:75.1 ft. [22.9 m]
Deck width edge-to-edge:100.7 ft. [30.7 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Skew angle:13°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2007
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:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:8,643 [as of 2010]
Truck traffic:3% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:69.5 tons [63.2 metric tons]
Inventory rating:44.9 tons [40.8 metric tons]
Sufficiency rating:90.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201490.7Not deficientPoorSatisfactoryGood8643
April 201292.7Not deficientFairSatisfactoryGood8643
May 201092.2Not deficientFairSatisfactoryGood12500
June 200893.2Not deficientSatisfactoryGoodSatisfactory12500
June 200693.2Not deficientSatisfactoryGoodSatisfactory12500
June 200493.2Not deficientSatisfactoryGoodSatisfactory12500
June 200293.2Not deficientSatisfactoryGoodSatisfactory12500
June 200093.2Not deficientSatisfactoryGoodSatisfactory12500
September 199881.9Not deficientSatisfactoryGoodFair12500
September 199696.2Not deficientSatisfactorySatisfactorySatisfactory12500
October 199496.1Not deficientGoodSatisfactoryGood12500
August 199296.1Not deficientGoodSatisfactoryGood12500
July 199096.1Not deficientGoodGoodGood12500