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I124 SBL over SOUTHERN RAILWAY

Map

Coordinates:
+35.03863, -85.31913
35°02'19" N, 85°19'09" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I124 SBL over SOUTHERN RAILWAY
Structure number:33I01240008
Location:0.7 MI S OF TENN. RIVER
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:64.0 ft. [19.5 m]
Total length:190.0 ft. [57.9 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:50.2 ft. [15.3 m]
Vertical clearance below bridge:26.2 ft. [8.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1962
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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:70,240 [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:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:58.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$370,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016GoodGoodGoodGood7024058.0
August 2014GoodGoodGoodGood6981058.0
August 2012GoodGoodGoodGood6893058.0
August 2010GoodGoodGoodGood6339061.0
September 2008FairFairFairSatisfactory6879049.0
August 2006FairFairFairSatisfactory7794049.0
August 2004FairFairFairSatisfactory7761049.0
September 2002FairFairFairSatisfactory7790049.0
October 2000FairFairFairSatisfactory6931049.0
September 1998FairFairFairSatisfactory7009049.0
April 1997FairFairFairGood7582052.8
December 1994GoodGoodGoodGood5520066.3
December 1992GoodGoodGoodGood4685067.2
April 1991GoodGoodGoodGood4685067.2

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.3,2303,13010000
Deck
Reinforced Concrete Decksq. ft.9,6909,690000
Substructure
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.102812010
Reinforced Concrete Pier Caplinear ft.153146700
Bearings
Elastomeric Bearingeach136136000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.380380000