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I124 NBL over SOUTHERN RWY

Map

Coordinates:
+35.03858, -85.31898
35°02'19" N, 85°19'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I124 NBL over SOUTHERN RWY
Structure number:33I01240007
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:23.0 ft. [7.0 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:Fair
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:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:48.0
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$727,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairGoodFairSatisfactory7024048.0
August 2014FairGoodFairSatisfactory6981048.0
August 2012GoodGoodGoodGood6893061.0
August 2010GoodGoodGoodGood6339061.0
September 2008FairSatisfactoryFairFair6879050.0
August 2006FairSatisfactoryFairFair7794050.0
August 2004FairSatisfactoryFairFair7761050.0
September 2002FairSatisfactoryFairFair7790050.0
October 2000FairGoodFairFair6931050.0
September 1998FairGoodFairFair7009050.0
April 1997FairGoodFairSatisfactory7582057.0
December 1994FairGoodFairSatisfactory5520054.1
December 1992FairGoodFairSatisfactory4685055.1
March 1991FairGoodFairSatisfactory4685055.1

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.2,4702,4304000
Deck
Reinforced Concrete Decksq. ft.9,6909,690000
Substructure
Reinforced Concrete Columneach99000
Reinforced Concrete Abutmentlinear ft.102822000
Reinforced Concrete Pier Caplinear ft.153146700
Bearings
Elastomeric Bearingeach104104000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.380380000