I 20 over CTY STR


+33.53219, -86.71498
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:011069
Old structure number:00000I20370022B (from 1992 edition)
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 2014 

Status:Open, no restriction [A]
Average daily traffic:22,755 [as of 2013]
Truck traffic:17% of total traffic
Deck condition:Good [7 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: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:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:79.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,459,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201479.0Not deficientGoodFairSatisfactory22755
July 201276.0Not deficientFairFairSatisfactory32780
July 201087.0Not deficientFairSatisfactorySatisfactory31605
July 200887.0Not deficientFairSatisfactorySatisfactory32130
July 200687.0Not deficientFairSatisfactorySatisfactory31310
August 200487.0Not deficientFairSatisfactorySatisfactory30790
August 200287.0Not deficientFairSatisfactorySatisfactory31140
August 200089.0Not deficientSatisfactorySatisfactorySatisfactory32125
August 199890.0Not deficientSatisfactoryGoodGood31265
August 199690.0Not deficientSatisfactoryGoodGood30560
August 199489.0Functionally obsoleteGoodGoodGood19030
September 199289.0Functionally obsoleteGoodGoodGood22115
October 199089.0Functionally obsoleteGoodGoodGood21810