I 59/20 over RAMP C


+33.54872, -86.77829
33°32'55" N, 86°46'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 59/20 over RAMP C
Structure number:010868
Old structure number:00000I59370273D (from 1992 edition)
Location:I59 * 79
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:83.0 ft. [25.3 m]
Total length:180.1 ft. [54.9 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:38°
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:Other [9]

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:Meets minimum tolerable limits to be left in place as is [4]
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:60.9 tons [55.4 metric tons]
Inventory rating:36.9 tons [33.5 metric tons]
Sufficiency rating:82.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,444,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201682.7FairSatisfactorySatisfactorySatisfactory-70200
February 201466.4FairSatisfactoryGoodGoodFO70200
February 201266.4GoodGoodGoodGoodFO70545
February 201069.2GoodGoodGoodGoodFO71710
February 200869.2GoodGoodGoodGoodFO71565
February 200669.5GoodGoodGoodGoodFO69460
March 200469.5GoodGoodGoodGoodFO69460
April 200269.7GoodGoodGoodGoodFO68040
May 200090.6GoodGoodGoodGood-67530
March 199890.1GoodGoodGoodGood-72500
January 199691.4GoodGoodGoodGood-60820
March 199491.7GoodGoodVery GoodGood-57275
November 199193.0GoodVery GoodVery GoodGood-53000