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

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,75708459120
Steel Protective Coatingsq. ft.18,2990018,25049
Reinforced Concrete Decksq. ft.13,303013,30300
Wearing Surfacessq. ft.13,3030013,3030
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.147014700
Reinforced Concrete Pier Caplinear ft.1631313200
Strip Seal Jointlinear ft.282282000
Movable Bearingeach3500350
Fixed Bearingeach2114700
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.502502000