I75 RL over I75 / MERCHANT RD.


+36.01000, -83.97167
36°00'36" N, 83°58'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I75 RL over I75 / MERCHANT RD.
Structure number:47I00750033
Location:3.5 M SW OF SR9
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:49.9 ft. [15.2 m]
Total length:183.1 ft. [55.8 m]
Roadway width between curbs:107.6 ft. [32.8 m]
Deck width edge-to-edge:113.5 ft. [34.6 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:28°
Owner:State Highway Agency [01]
Year built:1969
Year reconstructed:1998
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 continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:78,260 [as of 2015]
Truck traffic:17% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.4 tons [54.0 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:82.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201782.0FairSatisfactoryFairGoodFO78260
January 201582.0FairSatisfactoryFairGoodFO70050
January 201382.0FairSatisfactoryFairGoodFO80180
January 201182.0FairSatisfactoryFairGoodFO68610
January 200982.0FairSatisfactoryFairGoodFO69760
January 200783.0FairSatisfactoryFairGood-72510
December 200483.0FairSatisfactoryFairGood-69140
March 200382.0FairFairFairGood-64100
March 200195.0FairFairSatisfactoryGood-57680
December 199895.0FairFairSatisfactoryGood-56780
February 199797.0FairFairSatisfactoryGood-63220
February 199597.0FairFairSatisfactoryGood-64960
January 199397.0FairFairSatisfactoryGood-50130
November 199097.0FairFairSatisfactoryGood-50130