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SAVANNAH AVENUE over I-75

Map 

Coordinates:
+42.42581, -83.09403
42°25'33" N, 83°05'39" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:SAVANNAH AVENUE over I-75
Structure number:000000000011860
Old structure number:82182252000S240 (from 1992 edition)
Location:IN DETROIT
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:104.0 ft. [31.7 m]
Total length:197.8 ft. [60.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:35.8 ft. [10.9 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:36°
Owner:State Highway Agency [01]
Year built:1967
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 [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: May 2014 

Status:Open, no restriction [A]
Average daily traffic:6,200 [as of 1988]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Inventory rating:47.0 tons [42.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:75.8

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201475.8Functionally obsoleteSatisfactorySatisfactoryGood6200
May 201275.8Functionally obsoleteSatisfactorySatisfactoryGood6200
July 201075.8Functionally obsoleteSatisfactorySatisfactoryGood6200
June 200875.8Functionally obsoleteSatisfactorySatisfactoryGood6200
June 200675.8Functionally obsoleteGoodSatisfactoryGood6200
June 200475.8Functionally obsoleteSatisfactorySatisfactorySatisfactory6200
June 200275.8Functionally obsoleteSatisfactoryGoodSatisfactory6200
June 200075.8Functionally obsoleteSatisfactoryGoodSatisfactory6200
September 199873.8Functionally obsoleteSatisfactoryGoodSatisfactory6200
September 199673.8Functionally obsoleteSatisfactoryGoodSatisfactory6200
October 199673.8Functionally obsoleteSatisfactoryGoodSatisfactory6200
October 199473.9Functionally obsoleteGoodGoodGood5500
August 199273.9Functionally obsoleteGoodGoodGood5500
July 199073.9Functionally obsoleteSatisfactoryVery GoodGood5500