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 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: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:78.0 tons [70.9 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:$4,706,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201497.0Not deficientSatisfactorySatisfactoryGood30680
July 201297.0Not deficientSatisfactorySatisfactoryGood32780
July 201097.0Not deficientSatisfactorySatisfactoryGood31605
July 200897.0Not deficientSatisfactorySatisfactoryGood32130
August 200697.0Not deficientSatisfactorySatisfactoryGood31310
August 200495.0Not deficientGoodGoodGood30790
August 200295.0Not deficientGoodGoodGood62280
August 200095.0Not deficientGoodGoodGood32125
September 199895.0Not deficientGoodVery GoodGood31265
August 199695.0Not deficientGoodVery GoodGood30560
August 199493.0Functionally obsoleteGoodGoodGood27540
September 199293.0Functionally obsoleteGoodVery GoodVery Good27105
October 199092.0Functionally obsoleteGoodGoodVery Good26490