I 20 over US 11 * 1ST AVE NO


+33.54639, -86.74477
33°32'47" N, 86°44'41" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 20 over US 11 * 1ST AVE NO
Structure number:011058
Old structure number:00000I20370002B (from 1992 edition)
Location:I20 * US 11
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:86.0 ft. [26.2 m]
Total length:251.0 ft. [76.5 m]
Roadway width between curbs:51.2 ft. [15.6 m]
Deck width edge-to-edge:52.8 ft. [16.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:20°
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:4
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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:30,680 [as of 2016]
Truck traffic:14% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:77.9 tons [70.8 metric tons]
Inventory rating:46.6 tons [42.4 metric tons]
Sufficiency rating:97.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,400,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201697.0FairSatisfactorySatisfactoryGood-30680
July 201497.0FairSatisfactorySatisfactoryGood-30680
July 201297.0FairSatisfactorySatisfactoryGood-32780
July 201097.0FairSatisfactorySatisfactoryGood-31605
July 200897.0FairSatisfactorySatisfactoryGood-32130
August 200697.0FairSatisfactorySatisfactoryGood-31310
August 200495.0GoodGoodGoodGood-30790
August 200295.0GoodGoodGoodGood-62280
August 200095.0GoodGoodGoodGood-32125
September 199895.0GoodGoodVery GoodGood-31265
August 199695.0GoodGoodVery GoodGood-30560
August 199493.0GoodGoodGoodGoodFO27540
September 199293.0GoodGoodVery GoodVery GoodFO27105
October 199092.0GoodGoodGoodVery GoodFO26490