I124 SBL over W. 6TH ST (FAU 3550)


+35.04944, -85.31444
35°02'58" N, 85°18'52" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I124 SBL over W. 6TH ST (FAU 3550)
Structure number:33I01240016
Location:2 MI S OF TN RIVER
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:42.0 ft. [12.8 m]
Total length:137.1 ft. [41.8 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:61.0 ft. [18.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
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:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:71,020 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:68.4
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$566,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201468.4Functionally obsoleteSatisfactoryGoodGood71020
August 201255.6Functionally obsoleteSatisfactoryFairFair80380
August 201057.4Functionally obsoleteSatisfactoryFairFair82480
September 200856.5Functionally obsoleteFairFairFair79870
August 200657.4Functionally obsoleteFairFairFair68750
September 200456.5Functionally obsoleteFairFairFair68100
September 200256.6Functionally obsoleteFairFairFair65850
October 200063.9Functionally obsoleteFairFairFair59620
October 199859.9Functionally obsoleteFairFairFair60040
August 199671.9Functionally obsoleteFairSatisfactorySatisfactory63650
December 199475.0Functionally obsoleteFairGoodSatisfactory71850
December 199293.0Not deficientFairGoodSatisfactory47150
February 199193.0Not deficientFairGoodSatisfactory47150