+42.38643, -83.06829
42°23'11" N, 83°04'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HOLBROOK AVE over I-75
Structure number:000000000011845
Old structure number:82182252000S050 (from 1992 edition)
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 2016

Good/Fair/Poor Condition:Poor
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:Satisfactory [6 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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201690.7PoorPoorSatisfactorySatisfactorySD8643
April 201490.7PoorPoorSatisfactoryGood-8643
April 201292.7FairFairSatisfactoryGood-8643
May 201092.2FairFairSatisfactoryGood-12500
June 200893.2FairSatisfactoryGoodSatisfactory-12500
June 200693.2FairSatisfactoryGoodSatisfactory-12500
June 200493.2FairSatisfactoryGoodSatisfactory-12500
June 200293.2FairSatisfactoryGoodSatisfactory-12500
June 200093.2FairSatisfactoryGoodSatisfactory-12500
September 199881.9FairSatisfactoryGoodFair-12500
September 199696.2FairSatisfactorySatisfactorySatisfactory-12500
October 199496.1FairGoodSatisfactoryGood-12500
August 199296.1FairGoodSatisfactoryGood-12500
July 199096.1GoodGoodGoodGood-12500