I124 SBL over W. 9TH ST. (FAU 3551)


+35.04638, -85.31417
35°02'47" N, 85°18'51" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I124 SBL over W. 9TH ST. (FAU 3551)
Structure number:33I01240014
Location:3 MI S OF TN RIVER
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:64.0 ft. [19.5 m]
Total length:198.2 ft. [60.4 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:61.4 ft. [18.7 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1958
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:73,550 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:44.5
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$809,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2018PoorGoodPoorSatisfactory7355044.5
August 2016PoorGoodPoorSatisfactory7211044.6
August 2014PoorGoodPoorSatisfactory6953044.9
August 2012FairGoodSatisfactorySatisfactory7960071.2
August 2010FairGoodSatisfactorySatisfactory8101073.1
September 2008FairSatisfactoryFairFair7865061.3
August 2006FairSatisfactoryFairFair6875062.0
September 2004FairSatisfactoryFairFair6810062.1
September 2002FairSatisfactoryFairFair6585062.2
October 2000FairSatisfactoryFairFair5962068.0
October 1998FairSatisfactoryFairFair6004067.0
August 1996FairGoodSatisfactorySatisfactory6800076.0
January 1995FairGoodSatisfactoryGood6284076.0
December 1992FairGoodSatisfactoryGood3835076.0
April 1991FairGoodSatisfactoryGood3835076.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.3,9633,90439200
Reinforced Concrete Decksq. ft.12,16312,13320100
Reinforced Concrete Columneach1515000
Reinforced Concrete Abutmentlinear ft.1441271700
Reinforced Concrete Pier Caplinear ft.2071911060
Pourable Jointlinear ft.6161000
Elastomeric Bearingeach8080000
Fixed Bearingeach8080000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.100100000