US 31 over 1st thru 8th Ave. N


+33.51213, -86.79311
33°30'44" N, 86°47'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 31 over 1st thru 8th Ave. N
Structure number:013837
Location:US 31 * 1ST * 8TH AVE N
Purpose:Carries highway overpass over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:180.1 ft. [54.9 m]
Total length:3257.0 ft. [992.7 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Vertical clearance below bridge:20.0 ft. [6.1 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1972
Year reconstructed:1986
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:22
Main spans material:Steel continuous [4]
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: June 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:36,875 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Satisfactory [6 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: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:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:80.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$35,202,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
June 201580.0FairSatisfactorySatisfactorySatisfactory-36875
June 201380.0FairSatisfactorySatisfactorySatisfactory-36875
June 201180.0GoodGoodGoodGood-35890
June 200979.0GoodGoodGoodGood-38490
June 200782.0GoodGoodGoodGood-32945
June 200578.0GoodGoodGoodGoodFO33040
June 200378.0GoodGoodGoodGoodFO30040
May 200178.0GoodGoodGoodGoodFO30040
April 199980.0GoodGoodGoodGoodFO31540
February 199780.0GoodGoodGoodGoodFO27240
February 199580.0GoodGoodGoodGood-27650
December 199280.0FairSatisfactoryGoodGood-26335

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.19,72611,8357,89010
Steel Protective Coatingsq. ft.98,490019,698078,792
Prestressed Concrete Girder/Beamlinear ft.7,9247,74401800
Reinforced Concrete Decksq. ft.153,079108,68644,371220
Reinforced Concrete Columneach7407400
Reinforced Concrete Abutmentlinear ft.118595900
Reinforced Concrete Pier Caplinear ft.1,7161,6420740
Compression Jointlinear ft.282000282
Open Jointlinear ft.1,17504110764
Elastomeric Bearingeach2553121590
Movable Bearingeach160088720
Fixed Bearingeach115011500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,5144,2892,1131120