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


+35.04917, -85.31389
35°02'57" N, 85°18'50" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I124 NBL over W. 6TH ST (FAU 3550)
Structure number:33I01240015
Location:2 MI S OF 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:18.7 ft. [5.7 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:Good
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:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Operating rating:49.5 tons [45.0 metric tons]
Inventory rating:29.7 tons [27.0 metric tons]
Sufficiency rating:69.1
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$566,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201669.1GoodGoodGoodGoodFO74400
August 201469.4GoodGoodGoodGoodFO71020
August 201266.8FairSatisfactorySatisfactoryGoodFO80380
August 201068.6FairSatisfactorySatisfactoryGoodFO82480
September 200855.5FairFairFairFairFO79870
August 200656.4FairFairFairFairFO68750
September 200456.5FairFairFairFairFO68100
September 200256.6FairFairFairFairFO65850
October 200063.9FairFairFairFairFO59620
October 199876.9FairFairFairFairFO60040
August 199688.9FairFairSatisfactorySatisfactory-63650
December 199493.0FairFairGoodSatisfactory-71850
December 199293.0FairFairGoodSatisfactory-47150
February 199193.0FairFairGoodSatisfactory-47150