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 2015 

Status:Open, no restriction [A]
Average daily traffic:70,050 [as of 2014]
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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:82.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201582.0Functionally obsoleteSatisfactoryFairGood70050
January 201382.0Functionally obsoleteSatisfactoryFairGood80180
January 201182.0Functionally obsoleteSatisfactoryFairGood68610
January 200982.0Functionally obsoleteSatisfactoryFairGood69760
January 200783.0Not deficientSatisfactoryFairGood72510
December 200483.0Not deficientSatisfactoryFairGood69140
March 200382.0Not deficientFairFairGood64100
March 200195.0Not deficientFairSatisfactoryGood57680
December 199895.0Not deficientFairSatisfactoryGood56780
February 199797.0Not deficientFairSatisfactoryGood63220
February 199597.0Not deficientFairSatisfactoryGood64960
January 199397.0Not deficientFairSatisfactoryGood50130
November 199097.0Not deficientFairSatisfactoryGood50130