+42.39834, -83.10973
42°23'54" N, 83°06'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:M-10 RAMP over M-8 EB DAVISON
Structure number:000000000011439
Old structure number:82182112000S140 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:123.0 ft. [37.5 m]
Total length:301.9 ft. [92.0 m]
Roadway width between curbs:25.3 ft. [7.7 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:60°
Owner:State Highway Agency [01]
Year built:1957
Year reconstructed:1996
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2015 

Status:Open, no restriction [A]
Average daily traffic:17,840 [as of 1982]
Deck condition:Good [7 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:Better than present minimum criteria [7]
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:77.1 tons [70.1 metric tons]
Inventory rating:46.3 tons [42.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:94.2

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201594.2Functionally obsoleteGoodSatisfactorySatisfactory17840
April 201394.2Functionally obsoleteGoodSatisfactorySatisfactory17840
April 201194.2Functionally obsoleteSatisfactorySatisfactorySatisfactory17840
April 200992.2Functionally obsoleteSatisfactorySatisfactorySatisfactory17840
April 200892.2Functionally obsoleteGoodSatisfactorySatisfactory17840
April 200692.2Functionally obsoleteGoodSatisfactorySatisfactory17840
April 200492.2Not deficientGoodSatisfactorySatisfactory17840
April 200292.2Not deficientGoodSatisfactoryGood17840
April 200092.2Not deficientGoodSatisfactoryGood17840
August 199887.1Not deficientVery GoodSatisfactoryGood17840
June 199679.8Not deficientFairSatisfactoryFair17840
August 199479.1Functionally obsoleteFairSatisfactoryFair17840
September 199279.1Functionally obsoleteFairSatisfactoryFair17840
September 199079.1Functionally obsoleteFairGoodFair17840