I 59/20 over L * N * SOU RRS


+33.54056, -86.79031
33°32'26" 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:010498
Old structure number:00000I59370265B (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:691.0 ft. [210.6 m]
Roadway width between curbs:62.7 ft. [19.1 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance below bridge:23.3 ft. [7.1 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:11
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: April 2016 

Status:Open, no restriction [A]
Average daily traffic:76,895 [as of 2016]
Truck traffic:10% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:59.2 tons [53.8 metric tons]
Inventory rating:35.3 tons [32.1 metric tons]
Sufficiency rating:84.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$10,165,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201684.2Not deficientSatisfactorySatisfactorySatisfactory76895
April 201484.2Not deficientSatisfactorySatisfactorySatisfactory76895
April 201272.1Not deficientSatisfactoryFairSatisfactory75630
April 201072.0Not deficientSatisfactoryFairSatisfactory76095
March 200871.9Not deficientSatisfactoryFairSatisfactory77355
March 200670.7Not deficientSatisfactoryFairSatisfactory79215
February 200470.9Not deficientSatisfactoryFairSatisfactory77560
February 200270.9Not deficientSatisfactoryFairSatisfactory77560
February 200072.0Not deficientSatisfactoryFairSatisfactory76835
March 199870.5Not deficientSatisfactoryFairSatisfactory72875
February 199684.2Not deficientGoodGoodGood72190
February 199486.6Not deficientGoodGoodGood67100
November 199187.0Not deficientSatisfactoryGoodGood61460