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 

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. ratingEvaluationDeckSuper.Sub.ADT
February 201691.4Not deficientSatisfactorySatisfactorySatisfactory70200
February 201491.4Not deficientSatisfactorySatisfactoryGood70200
February 201291.4Not deficientGoodSatisfactorySatisfactory70545
February 201091.3Not deficientSatisfactorySatisfactoryGood71710
February 200891.3Not deficientSatisfactorySatisfactoryGood71565
February 200691.5Not deficientGoodGoodGood69460
March 200491.5Not deficientGoodGoodGood69460
April 200291.6Not deficientGoodGoodGood68040
May 200091.7Not deficientGoodGoodGood67530
March 199891.2Not deficientGoodGoodGood72875
January 199691.3Not deficientGoodGoodGood60820
March 199490.6Not deficientGoodVery GoodGood57260
November 199191.7Not deficientVery GoodVery GoodGood56170