I-59/20 over AL 79


+33.54799, -86.78022
33°32'53" N, 86°46'49" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I-59/20 over AL 79
Structure number:010863
Location:I 59 * AL 79
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.9 ft. [27.7 m]
Total length:168.0 ft. [51.2 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1973
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:Other [9]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Fair
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:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.2 tons [40.2 metric tons]
Inventory rating:32.1 tons [29.2 metric tons]
Sufficiency rating:83.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,243,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201683.3FairSatisfactorySatisfactorySatisfactory-76895
February 201482.3FairSatisfactorySatisfactorySatisfactory-76895
February 201282.4FairSatisfactorySatisfactorySatisfactory-76095
February 201082.3FairGoodSatisfactoryGood-77355
February 200882.3FairGoodSatisfactoryGood-77200
February 200683.2GoodGoodGoodGood-77910
March 200478.1GoodGoodGoodGood-155120
March 200280.0GoodGoodGoodGood-155120
March 200084.1GoodGoodGoodGood-67530
March 199883.6GoodGoodGoodGood-72875
January 199685.1FairGoodSatisfactoryGood-72190
March 199484.6FairGoodSatisfactoryGood-66100
November 199185.6GoodGoodGoodVery Good-66155