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 2015 

Status:Open, no restriction [A]
Average daily traffic:81,340 [as of 2015]
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:71.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$11,085,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
February 201571.5Not deficientSatisfactoryFairFair81340
February 201369.8Not deficientSatisfactoryFairFair95330
February 201169.0Not deficientFairFairFair92640
February 200968.5Not deficientFairFairFair96450
February 200768.4Not deficientFairFairFair97280
January 200568.6Not deficientFairFairFair95990
January 200368.6Not deficientFairFairFair95550
January 200168.6Not deficientFairFairFair95550
January 200072.2Not deficientFairFairFair82170
20000.0Not applicable---2000
February 199872.4Not deficientFairFairSatisfactory80930
November 199586.9Not deficientFairSatisfactorySatisfactory74520
December 199387.3Not deficientFairSatisfactorySatisfactory69130
October 199289.2Not deficientFairGoodGood33940
February 199078.8Not deficientGoodFairGood33940