I75 over E.BRAINARD RD (SR 320)


+35.01697, -85.17875
35°01'01" N, 85°10'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I75 over E.BRAINARD RD (SR 320)
Structure number:33I00750027
Location:I-75 / SR-320
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:69.9 ft. [21.3 m]
Total length:216.9 ft. [66.1 m]
Roadway width between curbs:149.9 ft. [45.7 m]
Deck width edge-to-edge:151.9 ft. [46.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:37°
Owner:State Highway Agency [01]
Year built:1960
Year reconstructed:1992
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:102,620 [as of 2015]
Truck traffic:22% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Sufficiency rating:93.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016FairGoodSatisfactorySatisfactory10262093.0
July 2014FairGoodSatisfactorySatisfactory9899092.0
July 2012FairFairFairSatisfactory9975080.0
July 2010FairFairFairSatisfactory9626082.0
July 2008FairFairFairSatisfactory9626082.0
July 2006FairFairFairSatisfactory11333082.0
August 2004FairFairFairSatisfactory10340082.0
August 2002FairFairFairSatisfactory10196082.0
September 2000FairFairFairGood9938086.0
September 1998FairFairSatisfactoryGood10598095.0
August 1996FairSatisfactoryGoodGood11606098.0
November 1994FairSatisfactoryGoodGood9558098.0
November 1992PoorPoorGoodGood8251078.0
October 1990PoorPoorGoodGood8251077.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
Prestressed Concrete Closed Web/Box Girderlinear ft.8,0668,066000
Reinforced Concrete Decksq. ft.33,13633,136000
Reinforced Concrete Columneach3636000
Reinforced Concrete Abutmentlinear ft.424424000
Reinforced Concrete Pier Caplinear ft.576576000
Fixed Bearingeach111111000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.654654000