I 59/20 over AIRPORT BLVD


+33.54444, -86.75972
33°32'40" N, 86°45'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 59/20 over AIRPORT BLVD
Structure number:011086
Old structure number:00000I59370286B (from 1992 edition)
Location:I 59 * AIRPORT BLVD
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:82.0 ft. [25.0 m]
Total length:175.5 ft. [53.5 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:70.9 ft. [21.6 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1974
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:3
Main spans material:Steel [3]
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: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,200 [as of 2018]
Truck traffic:11% 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:Equal to present minimum criteria [6]
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:89.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,416,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairSatisfactorySatisfactorySatisfactory7020089.3
February 2016FairSatisfactorySatisfactoryGood7020088.3
February 2014FairSatisfactorySatisfactoryGood7020088.3
February 2012FairSatisfactorySatisfactoryGood6712588.6
March 2010FairSatisfactorySatisfactoryGood6989089.3
March 2008FairSatisfactorySatisfactoryGood6975089.3
March 2006GoodGoodGoodGood6601089.7
March 2004GoodGoodGoodGood6452089.8
March 2002GoodGoodGoodGood6452089.8
April 2000GoodGoodGoodGood6775089.5
March 1998GoodGoodVery GoodGood6362089.9
March 1996GoodGoodVery GoodGood5825091.5
March 1994GoodGoodVery GoodGood5594091.7
November 1991GoodGoodGoodVery Good5125092.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,7551,7114400
Steel Protective Coatingsq. ft.19,375019,1350240
Reinforced Concrete Decksq. ft.12,4618,2754,116700
Wearing Surfacessq. ft.8,7758,775000
Reinforced Concrete Columneach86200
Reinforced Concrete Abutmentlinear ft.1421221550
Reinforced Concrete Pier Caplinear ft.132126330
Compression Jointlinear ft.2840012272
Movable Bearingeach3000219
Fixed Bearingeach3000300
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3513143610