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NFA A047 over MOUNTAIN CREEK

Map

Coordinates:
+35.10917, -85.32083
35°06'33" N, 85°19'15" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA A047 over MOUNTAIN CREEK
Structure number:330A0470001
Location:IN CITY OF CHATTANOOGA
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:9.8 ft. [3.0 m]
Total length:33.1 ft. [10.1 m]
Roadway width between curbs:28.2 ft. [8.6 m]
Deck width edge-to-edge:32.5 ft. [9.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1983
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:1,410 [as of 2016]
Truck traffic:2% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Culvert condition:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:88.1

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
February 201688.1Good7 out of 10-1410
February 201488.1Good7 out of 10-1410
February 201287.1Good7 out of 10-1410
February 201090.1Good7 out of 10-1410
February 200890.1Good7 out of 10-1410
March 200690.1Good7 out of 10-1410
March 200490.1Good7 out of 10-1410
March 200291.2Good7 out of 10-970
March 200091.2Good7 out of 10-970
February 199889.2Good7 out of 10-970
April 199698.0Good7 out of 10-150
January 199498.0Good7 out of 10-150
February 199298.0Good7 out of 10-150
January 199096.0Good7 out of 10-150