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

Map

Coordinates:
+35.04950, -85.31445
35°02'58" N, 85°18'52" W

Facts

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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:74,400 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:56.1
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$566,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairSatisfactoryFairGood7440056.1
August 2014FairSatisfactoryGoodGood7102068.4
August 2012FairSatisfactoryFairFair8038055.6
August 2010FairSatisfactoryFairFair8248057.4
September 2008FairFairFairFair7987056.5
August 2006FairFairFairFair6875057.4
September 2004FairFairFairFair6810056.5
September 2002FairFairFairFair6585056.6
October 2000FairFairFairFair5962063.9
October 1998FairFairFairFair6004059.9
August 1996FairFairSatisfactorySatisfactory6365071.9
December 1994FairFairGoodSatisfactory7185075.0
December 1992FairFairGoodSatisfactory4715093.0
February 1991FairFairGoodSatisfactory4715093.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.1,0961,0415500
Deck
Reinforced Concrete Decksq. ft.8,3578,357000
Substructure
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.120852870
Reinforced Concrete Pier Caplinear ft.18015414120
Bearings
Elastomeric Bearingeach4848000
Movable Bearingeach1616000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.274274000