+34.71667, -86.58333
34°43'00" N, 86°34'60" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US231; US431; SR1 over NORFOLK SOUTHERN
Structure number:015407
Old structure number:00000001450221A (from 1992 edition)
Location:0.6 MI N JCT US231 *431
Purpose:Carries highway over highway and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:144.0 ft. [43.9 m]
Total length:430.1 ft. [131.1 m]
Roadway width between curbs:76.1 ft. [23.2 m]
Deck width edge-to-edge:78.7 ft. [24.0 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Owner:State Highway Agency [01]
Year built:1991
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: October 2015

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:58,235 [as of 2015]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:94.5
Estimated cost of work:$8,270,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201594.5FairGoodGoodSatisfactory-58235
October 201394.8FairGoodGoodSatisfactory-55995
October 201194.7FairGoodGoodSatisfactory-56407
October 200994.8FairGoodGoodSatisfactory-55575
October 200794.8GoodGoodGoodGood-55960
October 200595.2GoodGoodGoodGood-51745
October 200395.3GoodGoodGoodGood-49655
September 200195.3GoodGoodGoodGood-49655
October 199993.2GoodGoodGoodGood-51000
September 199793.6GoodGoodGoodVery Good-46905
September 199594.5GoodGoodGoodVery Good-46905
September 199395.7GoodGoodGoodVery Good-30745
November 199195.8GoodGoodGoodVery Good-29995