I40 over I-40 WB / AYERS ST.


+35.15000, -90.02972
35°08'60" N, 90°01'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I40 over I-40 WB / AYERS ST.
Structure number:79I00400014
Location:0.6 MI E OF US-51
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.9 ft. [20.1 m]
Total length:149.0 ft. [45.4 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1966
Year reconstructed:1989
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete [5]
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: December 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,820 [as of 2015]
Truck traffic:27% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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:54.5 tons [49.5 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Sufficiency rating:90.1

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201690.1FairGoodSatisfactorySatisfactory-70820
January 201589.1FairGoodSatisfactorySatisfactory-70300
January 201388.6FairGoodSatisfactorySatisfactory-80570
March 201189.0FairGoodSatisfactorySatisfactory-72840
April 200989.2FairGoodGoodSatisfactory-69310
June 200788.1FairGoodGoodSatisfactoryFO68210
August 200587.1FairGoodGoodSatisfactoryFO68760
August 200387.0FairGoodGoodSatisfactoryFO70930
September 200190.4GoodGoodGoodGood-66050
January 200075.6GoodGoodGoodGood-71150
December 199777.6GoodGoodGoodGood-61300
August 199593.6GoodGoodGoodGood-58830
August 199393.9GoodGoodGoodGood-55240
November 199188.2FairSatisfactoryGoodGood-46590

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Prestressed Concrete Girder/Beamlinear ft.1,5611,558300
Reinforced Concrete Decksq. ft.8,7198,719000
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.125125000
Reinforced Concrete Pier Caplinear ft.121121000
Elastomeric Bearingeach6868000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.27914013540