+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 

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. ratingEvaluationDeckSuper.Sub.ADT
October 201594.5Not deficientGoodGoodSatisfactory58235
October 201394.8Not deficientGoodGoodSatisfactory55995
October 201194.7Not deficientGoodGoodSatisfactory56407
October 200994.8Not deficientGoodGoodSatisfactory55575
October 200794.8Not deficientGoodGoodGood55960
October 200595.2Not deficientGoodGoodGood51745
October 200395.3Not deficientGoodGoodGood49655
September 200195.3Not deficientGoodGoodGood49655
October 199993.2Not deficientGoodGoodGood51000
September 199793.6Not deficientGoodGoodVery Good46905
September 199594.5Not deficientGoodGoodVery Good46905
September 199395.7Not deficientGoodGoodVery Good30745
November 199195.8Not deficientGoodGoodVery Good29995