+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:015408
Location:0.6 MI N JCT US231 *US431
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 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: October 2015

Good/Fair/Poor Condition:Good
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:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Superior to present desirable criteria [9]
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 201594.5GoodGoodGoodGood-58235
October 201389.5GoodGoodGoodVery Good-111990
October 201189.4GoodGoodGoodVery Good-112819
October 200989.6GoodGoodGoodVery Good-111150
October 200789.5GoodGoodGoodVery Good-111920
October 200590.3GoodGoodGoodVery Good-103490
October 200390.7GoodGoodGoodVery Good-99310
September 200190.7GoodGoodGoodVery Good-99310
September 199993.2GoodGoodGoodVery Good-51280
September 199793.8GoodGoodGoodVery Good-44930
September 199594.5GoodGoodGoodVery Good-46905
September 199395.7GoodGoodGoodVery Good-30745
November 199195.8GoodGoodGoodVery Good-29995