I59/20 over AVE I


+33.49792, -86.90336
33°29'53" N, 86°54'12" 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:16.4 ft. [5.0 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]
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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactoryFairFair8134068.5
February 2015FairSatisfactoryFairFair8134071.5
February 2013FairSatisfactoryFairFair9533069.8
February 2011FairFairFairFair9264069.0
February 2009FairFairFairFair9645068.5
February 2007FairFairFairFair9728068.4
January 2005FairFairFairFair9599068.6
January 2003FairFairFairFair9555068.6
January 2001FairFairFairFair9555068.6
January 2000FairFairFairFair8217072.2
February 1998FairFairFairSatisfactory8093072.4
November 1995FairFairSatisfactorySatisfactory7452086.9
December 1993FairFairSatisfactorySatisfactory6913087.3
October 1992FairFairGoodGood3394089.2
February 1990FairGoodFairGood3394078.8

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.5,4122,5572,7361181
Steel Protective Coatingsq. ft.150,695050,48324,86475,348
Reinforced Concrete Decksq. ft.43,74736,6586,9641187
Wearing Surfacessq. ft.38,335038,298370
Reinforced Concrete Columneach3903720
Reinforced Concrete Abutmentlinear ft.22617432200
Reinforced Concrete Pier Caplinear ft.5270508181
Pourable Jointlinear ft.776000776
Movable Bearingeach900294912
Fixed Bearingeach900215811
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.1,80401,758406