I 20 MP 130.71 over CITY STREET * 1ST AVE SO


+33.54565, -86.74229
33°32'44" N, 86°44'32" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 20 MP 130.71 over CITY STREET * 1ST AVE SO
Structure number:011061
Old structure number:00000I20370004B (from 1992 edition)
Location:I20 * 1ST AVE SO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:110.2 ft. [33.6 m]
Total length:237.9 ft. [72.5 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:41.7 ft. [12.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:34°
Owner:State Highway Agency [01]
Year built:1974
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 [3]
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:30,680 [as of 2013]
Truck traffic:14% 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:Better than present minimum criteria [7]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:89.5 tons [81.4 metric tons]
Inventory rating:53.6 tons [48.7 metric tons]
Sufficiency rating:86.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,549,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201486.0Not deficientSatisfactoryFairGood30680
July 201286.0Not deficientSatisfactoryFairGood32780
July 201086.0Not deficientSatisfactoryFairGood31605
July 200886.0Not deficientSatisfactoryFairGood32130
August 200686.0Not deficientSatisfactoryFairGood31310
August 200486.0Not deficientSatisfactoryFairGood30790
August 200297.0Not deficientSatisfactoryGoodGood31140
August 200097.0Not deficientGoodGoodGood32125
August 199897.0Not deficientGoodGoodGood31265
August 199697.0Not deficientGoodGoodGood30560
August 199497.0Not deficientGoodGoodSatisfactory27540
September 199297.0Not deficientGoodVery GoodVery Good27105
October 199097.0Not deficientGoodGoodVery Good26490