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 

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. ratingEvaluationDeckSuper.Sub.ADT
February 201682.7Not deficientSatisfactorySatisfactorySatisfactory70200
February 201466.4Functionally obsoleteSatisfactoryGoodGood70200
February 201266.4Functionally obsoleteGoodGoodGood70545
February 201069.2Functionally obsoleteGoodGoodGood71710
February 200869.2Functionally obsoleteGoodGoodGood71565
February 200669.5Functionally obsoleteGoodGoodGood69460
March 200469.5Functionally obsoleteGoodGoodGood69460
April 200269.7Functionally obsoleteGoodGoodGood68040
May 200090.6Not deficientGoodGoodGood67530
March 199890.1Not deficientGoodGoodGood72500
January 199691.4Not deficientGoodGoodGood60820
March 199491.7Not deficientGoodVery GoodGood57275
November 199193.0Not deficientVery GoodVery GoodGood53000