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I124 NBL over W. 4TH ST (SR 389)

Map

Coordinates:
+35.05205, -85.31372
35°03'07" N, 85°18'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I124 NBL over W. 4TH ST (SR 389)
Structure number:33I01240017
Location:1 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:160.1 ft. [48.8 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Skew angle:10°
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:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Fair [5 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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:44.9
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$746,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairGoodGoodFair7440044.9
August 2014FairGoodGoodFair7102045.3
August 2012FairSatisfactorySatisfactorySatisfactory8038055.0
August 2010FairSatisfactorySatisfactorySatisfactory8248067.3
September 2008FairFairFairFair7987054.1
August 2006FairFairFairFair6875057.3
September 2004FairFairFairFair6810054.3
September 2002FairFairFairFair6170054.8
October 2000FairFairFairFair5510059.8
October 1998FairFairFairFair5908057.8
August 1996FairFairSatisfactorySatisfactory6365070.8
January 1995FairFairGoodGood7185073.0
December 1992FairFairGoodGood4715071.0
April 1991FairFairGoodGood4715071.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.800800000
Deck
Reinforced Concrete Decksq. ft.5,2805,280000
Substructure
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.94712300
Reinforced Concrete Pier Caplinear ft.9999000
Bearings
Movable Bearingeach2002000
Fixed Bearingeach2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.320320000