I 59/20 over L * N * SOU RRS


+33.54091, -86.79029
33°32'27" N, 86°47'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 59/20 over L * N * SOU RRS
Structure number:010497
Old structure number:00000I59370265A (from 1992 edition)
Location:I 59 * L * N SOU RRS
Purpose:Carries highway over railroad and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:630.0 ft. [192.0 m]
Roadway width between curbs:62.7 ft. [19.1 m]
Deck width edge-to-edge:65.6 ft. [20.0 m]
Vertical clearance below bridge:21.7 ft. [6.6 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1971
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:9
Main spans material:Steel continuous [4]
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: April 2014 

Status:Open, no restriction [A]
Average daily traffic:76,895 [as of 2013]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.0 tons [43.6 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:68.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$13,351,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201468.7Not deficientSatisfactoryFairSatisfactory76895
April 201268.7Not deficientFairFairFair75630
April 201068.7Not deficientFairFairFair76095
March 200868.5Not deficientFairFairFair77355
March 200665.3Not deficientFairFairFair79215
February 200465.5Not deficientFairFairFair77560
February 200265.5Not deficientFairFairFair77560
February 200065.6Not deficientFairFairFair76835
March 199866.3Not deficientFairFairFair78750
February 199682.0Not deficientSatisfactorySatisfactorySatisfactory72190
February 199484.4Not deficientSatisfactoryGoodGood67100
November 199184.9Not deficientSatisfactoryGoodGood61460