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I75 over SOUTH CHICKAMAUGA CREEK

Map

Coordinates:
+35.00743, -85.20222
35°00'27" N, 85°12'08" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I75 over SOUTH CHICKAMAUGA CREEK
Structure number:33I00750019
Location:.5 MI I24I75 INTERCHANGE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:66.9 ft. [20.4 m]
Total length:266.1 ft. [81.1 m]
Roadway width between curbs:124.3 ft. [37.9 m]
Deck width edge-to-edge:129.9 ft. [39.6 m]
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 / HS 20 [5]
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:122,190 [as of 2015]
Truck traffic:22% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:78.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$6,875,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2016FairSatisfactorySatisfactoryGood12219078.0
July 2014FairSatisfactorySatisfactoryGood11760078.0
July 2012FairSatisfactorySatisfactoryGood11870078.0
July 2010FairSatisfactorySatisfactoryGood11582080.0
July 2008FairSatisfactorySatisfactoryGood11715080.0
July 2006FairSatisfactorySatisfactoryGood13369080.0
August 2004FairSatisfactorySatisfactoryGood12765080.0
August 2002FairSatisfactorySatisfactoryGood12368080.0
September 2000FairSatisfactorySatisfactoryGood10754087.9
September 1998FairSatisfactoryGoodGood11571087.2
February 1997FairSatisfactoryGoodGood11606087.1
September 1994FairSatisfactoryGoodGood9558090.8
November 1992FairGoodSatisfactoryGood8251073.3
October 1990FairGoodSatisfactoryGood8251073.3

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.7,9807,980000
Deck
Reinforced Concrete Decksq. ft.34,58034,580000
Wearing Surfacessq. ft.34,58034,580000
Substructure
Reinforced Concrete Pier Walllinear ft.135135000
Reinforced Concrete Abutmentlinear ft.260260000
Reinforced Concrete Pier Caplinear ft.390390000
Joints
Compression Jointlinear ft.260260000
Bearings
Fixed Bearingeach9090000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.798798000