I59/20 over AVE I


+33.49798, -86.90283
33°29'53" N, 86°54'10" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I59/20 over AVE I
Structure number:014381
Old structure number:00000I593701870 (from 1992 edition)
Location:I59 * AVE I
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:64.0 ft. [19.5 m]
Total length:451.1 ft. [137.5 m]
Roadway width between curbs:89.2 ft. [27.2 m]
Deck width edge-to-edge:101.1 ft. [30.8 m]
Vertical clearance below bridge:17.1 ft. [5.2 m]
Skew angle:47°
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1988
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:7
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2017 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:81,340 [as of 2017]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:86.9 tons [79.0 metric tons]
Inventory rating:52.1 tons [47.4 metric tons]
Sufficiency rating:68.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$11,084,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201768.5FairSatisfactoryFairFair-81340
February 201571.5FairSatisfactoryFairFair-81340
February 201369.8FairSatisfactoryFairFair-95330
February 201169.0FairFairFairFair-92640
February 200968.5FairFairFairFair-96450
February 200768.4FairFairFairFair-97280
January 200568.6FairFairFairFair-95990
January 200368.6FairFairFairFair-95550
January 200168.6FairFairFairFair-95550
January 200072.2FairFairFairFair-82170
February 199872.4FairFairFairSatisfactory-80930
November 199586.9FairFairSatisfactorySatisfactory-74520
December 199387.3FairFairSatisfactorySatisfactory-69130
October 199289.2FairFairGoodGood-33940
February 199078.8FairGoodFairGood-33940