I59/20 over RAMP C


+33.54891, -86.77831
33°32'56" N, 86°46'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I59/20 over RAMP C
Structure number:010867
Location:I59 * AL 79
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:78.1 ft. [23.8 m]
Total length:174.9 ft. [53.3 m]
Roadway width between curbs:67.9 ft. [20.7 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1973
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 [3]
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: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,200 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:79.4 tons [72.2 metric tons]
Inventory rating:47.6 tons [43.3 metric tons]
Sufficiency rating:91.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,357,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201691.4FairSatisfactorySatisfactorySatisfactory-70200
February 201491.4FairSatisfactorySatisfactoryGood-70200
February 201291.4FairGoodSatisfactorySatisfactory-70545
February 201091.3FairSatisfactorySatisfactoryGood-71710
February 200891.3FairSatisfactorySatisfactoryGood-71565
February 200691.5GoodGoodGoodGood-69460
March 200491.5GoodGoodGoodGood-69460
April 200291.6GoodGoodGoodGood-68040
May 200091.7GoodGoodGoodGood-67530
March 199891.2GoodGoodGoodGood-72875
January 199691.3GoodGoodGoodGood-60820
March 199490.6GoodGoodVery GoodGood-57260
November 199191.7GoodVery GoodVery GoodGood-56170

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,7501,749010
Steel Protective Coatingsq. ft.17,32517,325000
Reinforced Concrete Decksq. ft.12,25012,034181350
Wearing Surfacessq. ft.11,02511,025000
Reinforced Concrete Columneach86110
Reinforced Concrete Abutmentlinear ft.208020530
Reinforced Concrete Pier Caplinear ft.1369524170
Pourable Jointlinear ft.280000280
Movable Bearingeach30071112
Fixed Bearingeach30013152
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.350344600