I 59/20 over AIRPORT BLVD


+33.54444, -86.75933
33°32'40" N, 86°45'34" 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:20.3 ft. [6.2 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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,200 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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]
Operating rating:62.6 tons [56.9 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Sufficiency rating:88.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,416,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201688.3FairSatisfactorySatisfactoryGood-70200
February 201488.3FairSatisfactorySatisfactoryGood-70200
February 201288.6FairSatisfactorySatisfactoryGood-67125
March 201089.3FairSatisfactorySatisfactoryGood-69890
March 200889.3FairSatisfactorySatisfactoryGood-69750
March 200689.7GoodGoodGoodGood-66010
March 200489.8GoodGoodGoodGood-64520
March 200289.8GoodGoodGoodGood-64520
April 200089.5GoodGoodGoodGood-67750
March 199889.9GoodGoodVery GoodGood-63620
March 199691.5GoodGoodVery GoodGood-58250
March 199491.7GoodGoodVery GoodGood-55940
November 199192.1GoodGoodGoodVery Good-51250