I-59/20 over US 31,RRS*CITY STREETS


+33.52867, -86.80429
33°31'43" N, 86°48'15" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-59/20 over US 31,RRS*CITY STREETS
Structure number:010670
Old structure number:00000I59370241A (from 1992 edition)
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:6592.2 ft. [2009.2 m]
Roadway width between curbs:69.6 ft. [21.2 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: August 2016

Good/Fair/Poor Condition:Poor
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:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:48.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$106,085,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201648.0PoorFairPoorFairSD77385
November 201448.0PoorFairPoorFairSD77385
August 201448.0PoorFairPoorFairSD77385
August 201348.0PoorFairPoorSatisfactorySD78675
August 201248.0PoorFairPoorSatisfactorySD78675
August 201063.9FairFairFairSatisfactory-78765
August 200867.0FairFairFairSatisfactory-80070
September 200667.2FairFairFairSatisfactory-78760
September 200467.0FairFairFairSatisfactory-80190
September 200266.9FairFairFairSatisfactory-81475
September 200064.4FairFairFairSatisfactoryFO82140
September 199864.5FairFairFairGoodFO81380
August 199650.8FairFairFairGoodFO76595
June 199453.9FairFairFairGoodFO71465
December 199268.0FairSatisfactorySatisfactorySatisfactoryFO68400
January 199036.3PoorSatisfactoryPoorGoodSD64460