US 31 over 6TH AVE SO


+33.51099, -86.79234
33°30'40" N, 86°47'32" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 31 over 6TH AVE SO
Structure number:009597
Old structure number:00000003370111B (from 1992 edition)
Location:US 31 * 6TH AVE SO
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:80.1 ft. [24.4 m]
Total length:211.0 ft. [64.3 m]
Roadway width between curbs:53.5 ft. [16.3 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance below bridge:20.3 ft. [6.2 m]
Owner:State Highway Agency [01]
Year built:1968
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:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35,335 [as of 2017]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:42.8 tons [38.9 metric tons]
Inventory rating:25.6 tons [23.3 metric tons]
Sufficiency rating:62.1
Estimated cost of work:$3,100,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201762.1FairSatisfactoryGoodSatisfactory-35335
February 201572.8FairSatisfactoryGoodSatisfactory-35335
February 201372.8FairSatisfactoryGoodSatisfactory-35410
February 201172.8FairFairSatisfactorySatisfactory-34860
February 200975.5FairGoodGoodSatisfactory-37645
February 200775.6FairGoodGoodSatisfactory-37130
February 200575.8GoodGoodGoodGood-35285
February 200375.8GoodGoodGoodGood-35000
April 200175.8GoodGoodGoodGood-35000
April 199977.3GoodGoodGoodGood-39430
January 199777.6GoodGoodGoodGood-36905
January 199578.5GoodGoodGoodVery Good-36520
December 199277.8FairSatisfactorySatisfactoryGood-33965
November 199077.9FairSatisfactorySatisfactoryGood-33095

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Girder/Beamlinear ft.1,6881,52016800
Reinforced Concrete Decksq. ft.11,626011,62600
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.142014200
Open Jointlinear ft.107107000
Movable Bearingeach2402400
Fixed Bearingeach88000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.422004220