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CHATTANOOGA VALLEY over ROCK CREEK

Map

Coordinates:
+34.95106, -85.34108
34°57'04" N, 85°20'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CHATTANOOGA VALLEY over ROCK CREEK
Structure number:000000029500280
Location:6.1 MI NW OF CHICKAMAUGA
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:29.9 ft. [9.1 m]
Total length:120.1 ft. [36.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Owner:County Highway Agency [02]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:2,240 [as of 2011]
Truck traffic:1% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:50.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$703,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactoryFairSatisfactory224050.9
February 2015FairGoodSatisfactorySatisfactory224061.6
February 2013FairGoodSatisfactorySatisfactory224061.6
February 2011FairGoodSatisfactorySatisfactory172063.2
January 2009FairGoodSatisfactorySatisfactory172063.2
December 2006FairGoodSatisfactorySatisfactory172063.2
January 2005FairGoodSatisfactorySatisfactory175061.3
January 2003FairGoodSatisfactoryGood180061.3
January 2001FairGoodSatisfactoryGood447048.4
November 1998FairGoodSatisfactoryGood447055.4
June 1996GoodGoodVery GoodGood447055.4
April 1994GoodGoodGoodGood447055.4
April 1992GoodGoodGoodGood447055.4
September 1990GoodGoodGoodGood447055.4

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.60004201800
Steel Protective Coatingsq. ft.4,1207004,113
Deck
Reinforced Concrete Decksq. ft.4,09204,09200
Wearing Surfacessq. ft.5,2925,292000
Substructure
Reinforced Concrete Columneach62400
Reinforced Concrete Abutmentlinear ft.6868000
Reinforced Concrete Pier Caplinear ft.8484000
Joints
Pourable Jointlinear ft.140001400
Bearings
Movable Bearingeach2020000
Steel Protective Coatingsq. ft.1515000
Enclosed/Concealed Bearingeach55000
Fixed Bearingeach2020000
Steel Protective Coatingsq. ft.2020000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.240240000