I 20 over CTY STR


+33.53231, -86.71492
33°31'56" N, 86°42'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 20 over CTY STR
Structure number:011068
Location:I 20 * MONTEVALLO RD
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:104.0 ft. [31.7 m]
Total length:226.1 ft. [68.9 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:54.8 ft. [16.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1974
Year reconstructed:1989
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:3
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: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:27,875 [as of 2016]
Truck traffic:16% 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: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:63.4 tons [57.6 metric tons]
Inventory rating:38.0 tons [34.5 metric tons]
Sufficiency rating:90.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,227,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201690.0FairSatisfactorySatisfactorySatisfactory-27875
July 201479.0FairGoodFairSatisfactory-27875
July 201276.0FairFairFairSatisfactory-24165
July 201087.0FairFairSatisfactoryGood-23415
July 200887.0FairFairSatisfactoryGood-23805
July 200687.0FairFairSatisfactoryGood-23155
August 200487.0FairFairSatisfactoryGood-22830
August 200287.0FairFairSatisfactoryGood-22885
August 200089.0FairSatisfactorySatisfactoryGood-32125
August 199890.0FairSatisfactoryGoodGood-31265
August 199690.0FairSatisfactoryGoodGood-30560
August 199489.0GoodGoodGoodGoodFO19030
September 199289.0GoodGoodVery GoodGoodFO22115