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I124 NBL over SOUTHERN RWY

Map

Coordinates:
+35.03833, -85.31889
35°02'18" 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]
Operating rating:90.1 tons [81.9 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
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

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201648.0FairGoodFairSatisfactoryFO70240
August 201448.0FairGoodFairSatisfactoryFO69810
August 201261.0GoodGoodGoodGoodFO68930
August 201061.0GoodGoodGoodGoodFO63390
September 200850.0FairSatisfactoryFairFairFO68790
August 200650.0FairSatisfactoryFairFairFO77940
August 200450.0FairSatisfactoryFairFairFO77610
September 200250.0FairSatisfactoryFairFairFO77900
October 200050.0FairGoodFairFairFO69310
September 199850.0FairGoodFairFairFO70090
April 199757.0FairGoodFairSatisfactoryFO75820
December 199454.1FairGoodFairSatisfactoryFO55200
December 199255.1FairGoodFairSatisfactoryFO46850
March 199155.1FairGoodFairSatisfactoryFO46850