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I-75 (NBL) over ETOWAH RIVER

Map

Coordinates:
+34.16006, -84.75375
34°09'36" N, 84°45'13" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-75 (NBL) over ETOWAH RIVER
Structure number:000000001500850
Location:2.6 MI E OF CARTERSVILLE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:89.9 ft. [27.4 m]
Total length:600.1 ft. [182.9 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:6.2 ft. [1.9 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1977
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:8
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:78,730 [as of 2011]
Truck traffic:1% 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:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:91.1
Estimated cost of work:$4,476,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2016GoodGoodGoodGood7873091.1
October 2014GoodGoodGoodGood7873091.1
October 2012FairGoodGoodSatisfactory7873091.1
October 2010FairGoodGoodSatisfactory8345090.8
October 2008FairGoodVery GoodSatisfactory8345090.8
August 2006FairGoodVery GoodSatisfactory8590093.2
October 2004GoodGoodVery GoodGood9537092.7
September 2002GoodGoodVery GoodGood7490094.5
August 2000GoodGoodVery GoodGood6180095.1
September 1998GoodVery GoodVery GoodGood6180095.1
August 1996GoodVery GoodVery GoodGood6180095.1
June 1994GoodVery GoodVery GoodVery Good6180093.4
September 1992GoodVery GoodVery GoodVery Good5876093.6
January 1991GoodVery GoodVery GoodVery Good5876093.6

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.4,5604,559100
Deck
Reinforced Concrete Decksq. ft.37,43937,435400
Substructure
Reinforced Concrete Columneach28160120
Reinforced Concrete Abutmentlinear ft.174174000
Reinforced Concrete Pile Cap/Footinglinear ft.120012000
Reinforced Concrete Pier Caplinear ft.609609000
Joints
Pourable Jointlinear ft.765007650
Bearings
Elastomeric Bearingeach120120000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.1,2001,200000