I-59/20 over AL 79


+33.54778, -86.78028
33°32'52" 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: 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:83.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,197,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactorySatisfactory7689583.3
February 2016FairSatisfactorySatisfactorySatisfactory7689583.3
February 2014FairSatisfactorySatisfactorySatisfactory7689582.3
February 2012FairSatisfactorySatisfactorySatisfactory7609582.4
February 2010FairGoodSatisfactoryGood7735582.3
February 2008FairGoodSatisfactoryGood7720082.3
February 2006GoodGoodGoodGood7791083.2
March 2004GoodGoodGoodGood15512078.1
March 2002GoodGoodGoodGood15512080.0
March 2000GoodGoodGoodGood6753084.1
March 1998GoodGoodGoodGood7287583.6
January 1996FairGoodSatisfactoryGood7219085.1
March 1994FairGoodSatisfactoryGood6610084.6
November 1991GoodGoodGoodVery Good6615585.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
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