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NFA A150 over MOUNTAIN CREEK

Map

Coordinates:
+35.13065, -85.30492
35°07'50" N, 85°18'18" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
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 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:700 [as of 2018]
Truck traffic:2% of total traffic
Structural appraisal:Better than present minimum criteria [7]
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]
Sufficiency rating:96.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
February 2018Good7 out of 1070096.1
February 2016Good7 out of 1070089.4
February 2014Good7 out of 1070089.4
February 2012Good7 out of 1070089.4
February 2010Good7 out of 1070089.4
February 2008Good7 out of 1070089.4
February 2006Good7 out of 1070089.4
April 2004Good7 out of 1070089.4
March 2002Good7 out of 1078085.6
March 2000Good7 out of 1078085.6
February 1998Good7 out of 1078085.6
April 1996Good7 out of 107088.5
January 1994Good7 out of 107088.5
February 1992Good7 out of 107088.5
January 1990Good7 out of 107088.5