I 59/20 over COOSA ST SOU SS * IRR


+33.54560, -86.78421
33°32'44" N, 86°47'03" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 59/20 over COOSA ST SOU SS * IRR
Structure number:010500
Old structure number:00000I59370268B (from 1992 edition)
Location:I59 * COOSA ST
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:86.0 ft. [26.2 m]
Total length:1090.9 ft. [332.5 m]
Roadway width between curbs:62.7 ft. [19.1 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:20°
Owner:State Highway Agency [01]
Year built:1971
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:15
Main spans material:Steel continuous [4]
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: January 2016 

Status:Open, no restriction [A]
Average daily traffic:76,895 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.4 tons [56.7 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Sufficiency rating:83.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$16,053,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201683.1Not deficientSatisfactorySatisfactorySatisfactory76895
January 201481.1Not deficientSatisfactorySatisfactorySatisfactory76895
January 201280.1Not deficientFairSatisfactorySatisfactory76095
January 201080.0Not deficientFairSatisfactorySatisfactory77355
December 200780.0Not deficientFairSatisfactorySatisfactory77200
December 200581.9Not deficientFairSatisfactorySatisfactory77910
January 200581.9Not deficientFairSatisfactorySatisfactory77910
December 200282.0Not deficientFairSatisfactorySatisfactory77560
January 200182.0Not deficientFairSatisfactorySatisfactory77600
February 199983.2Not deficientSatisfactoryGoodGood76270
November 199683.5Not deficientSatisfactoryGoodGood73275
November 199485.5Not deficientSatisfactoryGoodGood67100
November 199285.7Not deficientGoodGoodGood65350
April 199086.0Not deficientGoodSatisfactoryGood61460