I-59/20 over AL 79


+33.54833, -86.78028
33°32'54" 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:010862
Location:I 59 * AL 79
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:168.0 ft. [51.2 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:70.5 ft. [21.5 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: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:76,895 [as of 2018]
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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:89.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,243,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactorySatisfactory7689589.1
February 2016FairSatisfactorySatisfactorySatisfactory7689589.1
February 2014FairGoodFairSatisfactory7689577.1
February 2012FairGoodFairSatisfactory7609577.1
February 2010FairGoodFairGood7735577.1
February 2008FairGoodFairGood7720077.1
February 2006FairGoodFairGood7791078.1
March 2004FairGoodFairGood7756080.1
March 2002FairGoodFairGood7756082.0
March 2000FairSatisfactoryFairGood6753080.0
March 1998FairGoodFairGood7287580.0
January 1996FairGoodFairGood7219080.0
March 1994FairGoodFairGood6610079.0
November 1991FairGoodSatisfactoryGood6615591.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,6801,6506240
Steel Protective Coatingsq. ft.15,06915,069000
Reinforced Concrete Decksq. ft.11,8619,3352,432940
Wearing Surfacessq. ft.9,4089,408000
Reinforced Concrete Columneach43100
Reinforced Concrete Abutmentlinear ft.249238461
Reinforced Concrete Pier Caplinear ft.6867010
Pourable Jointlinear ft.141000141
Movable Bearingeach2004124
Fixed Bearingeach109001
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3363191700