I-459 over I59


+33.34299, -87.02720
33°20'35" N, 87°01'38" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-459 over I59
Structure number:011740
Old structure number:0000I459370000B (from 1992 edition)
Location:I 459 * I 59 INTR
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.9 ft. [27.7 m]
Total length:333.0 ft. [101.5 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:State Highway Agency [01]
Year built:1977
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:4
Main spans material:Steel continuous [4]
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: October 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:23,500 [as of 2016]
Truck traffic:22% 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:94.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,339,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201694.0FairSatisfactorySatisfactoryGoodFO23500
October 201494.0FairSatisfactorySatisfactoryGoodFO23500
October 201294.0FairSatisfactorySatisfactoryGoodFO22640
October 201094.0GoodGoodGoodGoodFO21720
October 200894.0GoodGoodGoodGoodFO23000
October 200694.0GoodGoodGoodGoodFO20530
October 200494.0GoodGoodGoodGoodFO18575
October 200294.0GoodGoodGoodGoodFO16865
October 200094.0GoodGoodGoodGoodFO11555
November 199894.0GoodGoodVery GoodVery GoodFO11555
September 199694.0GoodGoodVery GoodVery GoodFO10825
September 199494.0GoodGoodVery GoodVery GoodFO8840
September 199294.0GoodGoodVery GoodGoodFO8185
October 199094.0GoodVery GoodVery GoodVery GoodFO7165

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,3321,332000
Steel Protective Coatingsq. ft.13,3200013,3200
Reinforced Concrete Decksq. ft.9,65709,65700
Reinforced Concrete Columneach66000
Reinforced Concrete Abutmentlinear ft.90751500
Reinforced Concrete Pier Caplinear ft.7575000
Compression Jointlinear ft.5858000
Movable Bearingeach1601600
Fixed Bearingeach40400
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.666066600