I 59/20 over US 31 CTY STRS RR S


+33.52959, -86.80336
33°31'47" N, 86°48'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 59/20 over US 31 CTY STRS RR S
Structure number:010671
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:104.0 ft. [31.7 m]
Total length:6632.2 ft. [2021.4 m]
Roadway width between curbs:69.9 ft. [21.3 m]
Deck width edge-to-edge:70.9 ft. [21.6 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1972
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:39
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: December 2014 

Status:Open, no restriction [A]
Average daily traffic:77,385 [as of 2013]
Truck traffic:10% of total traffic
Deck condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:63.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$147,614,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201463.9Not deficientFairFairSatisfactory77385
December 201363.9Not deficientFairFairSatisfactory78675
December 201263.9Not deficientFairFairSatisfactory78675
December 201063.9Not deficientFairFairSatisfactory78765
December 200867.0Not deficientFairFairSatisfactory80070
December 200667.1Not deficientFairFairSatisfactory79555
December 200466.9Not deficientFairFairSatisfactory81180
December 200266.9Not deficientFairFairSatisfactory81475
November 200079.0Not deficientFairFairGood82005
20000.0Not applicable---1000
November 199667.0Functionally obsoleteFairFairGood76595
November 199468.0Functionally obsoleteSatisfactoryFairGood71465
December 199278.0Functionally obsoleteSatisfactorySatisfactoryGood68400