NFA E477 over BRANCH


+35.05830, -85.14487
35°03'30" N, 85°08'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA E477 over BRANCH
Structure number:330E4770001
Location:.2 MI NORTH OF I75
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:9.8 ft. [3.0 m]
Total length:22.0 ft. [6.7 m]
Roadway width between curbs:39.0 ft. [11.9 m]
Deck width edge-to-edge:40.0 ft. [12.2 m]
Skew angle:15°
Owner:City or Municipal Highway Agency [04]
Year built:1975
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,650 [as of 2018]
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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:98.9

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
March 2018Good7 out of 10265098.9
March 2016Good7 out of 10265091.4
March 2014Good7 out of 10265088.4
March 2012Good7 out of 10265088.4
March 2010Good7 out of 10265088.4
February 2008Good7 out of 10265088.4
March 2006Good7 out of 10265088.4
March 2004Good7 out of 10265088.4
March 2002Good7 out of 10202089.4
April 2000Good7 out of 10202089.4
April 1998Good7 out of 10202089.3
April 1996Good7 out of 10174090.3
March 1994Good7 out of 10174090.4
March 1992Good7 out of 10174090.4
February 1990Good7 out of 10174089.4