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NFA D456 over SOUTH CHICKAMAUGA CREEK

Map 

Coordinates:
+35.08472, -85.22694
35°05'05" N, 85°13'37" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NFA D456 over SOUTH CHICKAMAUGA CREEK
Structure number:330D4560001
Location:IN CHATTANOOGA
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:89.9 ft. [27.4 m]
Total length:303.5 ft. [92.5 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Owner:City or Municipal Highway Agency [04]
Year built:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2016 

Status:Open, no restriction [A]
Average daily traffic:890 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Operating rating:53.5 tons [48.6 metric tons]
Inventory rating:31.7 tons [28.8 metric tons]
Sufficiency rating:87.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201687.9Not deficientVery GoodGoodSatisfactory890
March 201486.9Not deficientVery GoodGoodSatisfactory890
March 201289.1Not deficientVery GoodGoodSatisfactory890
March 201090.1Not deficientVery GoodGoodGood890
March 200890.1Not deficientVery GoodGoodGood890
March 200690.1Not deficientVery GoodGoodGood890
April 200490.1Not deficientVery GoodGoodGood890
March 200297.5Not deficientVery GoodGoodGood340
May 200097.5Not deficientVery GoodGoodGood340
August 199897.5Not deficientVery GoodVery GoodGood340
April 199836.0Structurally deficientSatisfactoryPoorFair400
April 199636.0Structurally deficientSatisfactoryPoorFair400
April 199449.1Functionally obsoleteGoodFairSatisfactory400
February 199249.0Functionally obsoleteGoodFairSatisfactory700
March 199049.0Functionally obsoleteGoodFairSatisfactory700