I 59/20 over AIRPORT BLVD


+33.54444, -86.75889
33°32'40" N, 86°45'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 59/20 over AIRPORT BLVD
Structure number:011085
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:80.1 ft. [24.4 m]
Deck width edge-to-edge:83.0 ft. [25.3 m]
Vertical clearance below bridge:16.4 ft. [5.0 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:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:$3,993,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairSatisfactorySatisfactorySatisfactory7020089.3
February 2016FairGoodSatisfactorySatisfactory7020089.3
February 2014FairSatisfactorySatisfactorySatisfactory7020089.3
February 2012FairSatisfactoryFairSatisfactory6712577.6
March 2010FairSatisfactorySatisfactoryGood6989089.3
March 2008FairSatisfactoryGoodGood6975089.3
March 2006FairSatisfactoryGoodGood6601089.7
March 2004FairSatisfactoryGoodGood6452089.8
March 2002FairSatisfactoryGoodGood6452089.8
April 2000GoodGoodGoodGood6775089.5
March 1998GoodGoodGoodGood6362089.9
March 1996GoodGoodVery GoodGood5825091.5
March 1994GoodGoodVery GoodGood5594091.7
November 1991FairSatisfactoryGoodGood5423091.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,9311,8814901
Steel Protective Coatingsq. ft.21,136020,8670269
Reinforced Concrete Decksq. ft.14,5679,4885,07450
Wearing Surfacessq. ft.10,00410,004000
Reinforced Concrete Columneach84400
Reinforced Concrete Abutmentlinear ft.1661432120
Reinforced Concrete Pier Caplinear ft.1601471030
Compression Jointlinear ft.3320095237
Movable Bearingeach3300321
Fixed Bearingeach3300330
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3513183300