I 59 N B L over I 59 S B L


+33.51987, -86.81678
33°31'12" N, 86°49'00" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 59 N B L over I 59 S B L
Structure number:009874
Old structure number:00000I593702390 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:165.0 ft. [50.3 m]
Total length:387.2 ft. [118.0 m]
Roadway width between curbs:62.3 ft. [19.0 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:60°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:2003
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:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: August 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:135,990 [as of 2015]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:69.2 tons [62.9 metric tons]
Inventory rating:41.4 tons [37.6 metric tons]
Sufficiency rating:66.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,113,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201566.0FairSatisfactoryFairGoodFO135990
August 201368.0FairSatisfactoryFairGoodFO135990
August 201168.0FairSatisfactoryFairGood-157530
August 200968.0FairSatisfactoryFairGood-160140
August 200768.0FairSatisfactoryFairGood-159820
August 200568.0FairSatisfactoryFairGoodFO162360
July 200368.0FairSatisfactoryFairGoodFO162950
February 200368.0FairSatisfactoryFairGoodFO162950
February 200172.5FairSatisfactoryFairGoodFO72940
February 199972.8FairSatisfactoryFairGoodFO69885
October 199674.5FairSatisfactoryFairGoodFO65115
July 199486.0FairSatisfactorySatisfactoryGoodFO63370
March 199486.9FairFairSatisfactoryGoodFO63370
September 199186.1FairFairGoodGoodFO60435

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.3,8713,7937710
Steel Protective Coatingsq. ft.55,97253,1742,79800
Reinforced Concrete Decksq. ft.24,77424,52624800
Wearing Surfacessq. ft.20,12417,7092,41500
Reinforced Concrete Columneach1601600
Reinforced Concrete Abutmentlinear ft.1761581800
Reinforced Concrete Pier Caplinear ft.1251121300
Compression Jointlinear ft.1280281000
Elastomeric Bearingeach80800
Movable Bearingeach2408160
Fixed Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.7747353900