US 31 over 1st thru 8th Ave. N


+33.51806, -86.79528
33°31'05" N, 86°47'43" 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:19.7 ft. [6.0 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 2017

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]
Sufficiency rating:80.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$35,193,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017FairSatisfactorySatisfactorySatisfactory3687580.0
June 2015FairSatisfactorySatisfactorySatisfactory3687580.0
June 2013FairSatisfactorySatisfactorySatisfactory3687580.0
June 2011GoodGoodGoodGood3589080.0
June 2009GoodGoodGoodGood3849079.0
June 2007GoodGoodGoodGood3294582.0
June 2005GoodGoodGoodGood3304078.0
June 2003GoodGoodGoodGood3004078.0
May 2001GoodGoodGoodGood3004078.0
April 1999GoodGoodGoodGood3154080.0
February 1997GoodGoodGoodGood2724080.0
February 1995GoodGoodGoodGood2765080.0
December 1992FairSatisfactoryGoodGood2633580.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Steel Girder/Beamlinear ft.19,72611,8357,89010
Steel Protective Coatingsq. ft.98,490019,698078,792
Prestressed Concrete Girder/Beamlinear ft.7,9247,74201820
Reinforced Concrete Decksq. ft.153,079108,68644,371220
Reinforced Concrete Columneach7407400
Reinforced Concrete Abutmentlinear ft.118595900
Reinforced Concrete Pier Caplinear ft.1,7161,6400760
Compression Jointlinear ft.282000282
Open Jointlinear ft.1,17504110764
Elastomeric Bearingeach2550240150
Movable Bearingeach160088720
Fixed Bearingeach115011500
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6,5144,2892,1131120