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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.5,41204,8365715
Steel Protective Coatingsq. ft.150,695051,236099,459
Reinforced Concrete Decksq. ft.45,55120,28825,25607
Wearing Surfacessq. ft.38,335038,33230
Reinforced Concrete Columneach2602240
Reinforced Concrete Abutmentlinear ft.343033580
Reinforced Concrete Pier Caplinear ft.9160898180
Pourable Jointlinear ft.1,3330001,333
Movable Bearingeach120089283
Fixed Bearingeach60047130
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9020882020