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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,6801,673610
Steel Protective Coatingsq. ft.15,06915,069000
Reinforced Concrete Decksq. ft.11,76010,85490420
Wearing Surfacessq. ft.9,7449,744000
Reinforced Concrete Columneach43100
Reinforced Concrete Abutmentlinear ft.2482281271
Reinforced Concrete Pier Caplinear ft.6863410
Pourable Jointlinear ft.140000140
Movable Bearingeach2003125
Fixed Bearingeach109100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3363261000