12 TH AVE NO over I 59/20


+33.53556, -86.79561
33°32'08" N, 86°47'44" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:12 TH AVE NO over I 59/20
Structure number:010494
Location:I 59 * 12 TH AVE NO
Purpose:Carries highway over highway
Route classification:Local (Urban) [19]
Length of largest span:141.1 ft. [43.0 m]
Total length:404.9 ft. [123.4 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:60.4 ft. [18.4 m]
Vertical clearance below bridge:16.1 ft. [4.9 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:4
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

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:6,000 [as of 2002]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:63.9 tons [58.1 metric tons]
Inventory rating:38.3 tons [34.8 metric tons]
Sufficiency rating:83.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$8,190,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201483.4FairSatisfactoryFairGood-6000
April 201283.4FairSatisfactoryFairGood-6000
April 201085.4FairSatisfactoryFairSatisfactory-6000
April 200885.4FairSatisfactoryFairSatisfactory-6000
April 200685.4FairSatisfactoryFairSatisfactory-6000
April 200485.4FairSatisfactoryFairSatisfactory-6000
April 200285.4FairSatisfactoryFairSatisfactory-6000
April 200085.4FairSatisfactoryFairGood-6000
March 199885.4FairSatisfactoryFairGood-6000
March 199685.4FairSatisfactoryFairGood-6000
March 199485.4FairSatisfactoryFairGood-6000
October 199195.7GoodGoodGoodGood-10000