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NFA A150 over MOUNTAIN CREEK

Map

Coordinates:
+35.13056, -85.30472
35°07'50" N, 85°18'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

Name:NFA A150 over MOUNTAIN CREEK
Structure number:330A1500001
Location:IN CITY OF CHATTANOOGA
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:29.9 ft. [9.1 m]
Total length:29.9 ft. [9.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:54.5 ft. [16.6 m]
Skew angle:26°
Owner:City or Municipal Highway Agency [04]
Year built:1970
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span 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:700 [as of 2016]
Truck traffic:2% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
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:39.6 tons [36.0 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:89.4

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
February 201689.4Good7 out of 10-700
February 201489.4Good7 out of 10-700
February 201289.4Good7 out of 10-700
February 201089.4Good7 out of 10-700
February 200889.4Good7 out of 10-700
February 200689.4Good7 out of 10-700
April 200489.4Good7 out of 10-700
March 200285.6Good7 out of 10-780
March 200085.6Good7 out of 10-780
February 199885.6Good7 out of 10-780
April 199688.5Good7 out of 10-70
January 199488.5Good7 out of 10-70
February 199288.5Good7 out of 10-70
January 199088.5Good7 out of 10-70