+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 

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. ratingEvaluationDeckSuper.Sub.ADT
October 201594.5Not deficientGoodGoodGood58235
October 201389.5Not deficientGoodGoodVery Good111990
October 201189.4Not deficientGoodGoodVery Good112819
October 200989.6Not deficientGoodGoodVery Good111150
October 200789.5Not deficientGoodGoodVery Good111920
October 200590.3Not deficientGoodGoodVery Good103490
October 200390.7Not deficientGoodGoodVery Good99310
September 200190.7Not deficientGoodGoodVery Good99310
September 199993.2Not deficientGoodGoodVery Good51280
September 199793.8Not deficientGoodGoodVery Good44930
September 199594.5Not deficientGoodGoodVery Good46905
September 199395.7Not deficientGoodGoodVery Good30745
November 199195.8Not deficientGoodGoodVery Good29995