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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:77,385 [as of 2017]
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:$108,253,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201663.9FairFairFairSatisfactory-77385
December 201463.9FairFairFairSatisfactory-77385
December 201363.9FairFairFairSatisfactory-78675
December 201263.9FairFairFairSatisfactory-78675
December 201063.9FairFairFairSatisfactory-78765
December 200867.0FairFairFairSatisfactory-80070
December 200667.1FairFairFairSatisfactory-79555
December 200466.9FairFairFairSatisfactory-81180
December 200266.9FairFairFairSatisfactory-81475
November 200079.0FairFairFairGood-82005
November 199667.0FairFairFairGoodFO76595
November 199468.0FairSatisfactoryFairGoodFO71465
December 199278.0FairSatisfactorySatisfactoryGoodFO68400