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NFA E477 over BRANCH

Map

Coordinates:
+35.05806, -85.14472
35°03'29" N, 85°08'41" W

Facts

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 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,650 [as of 2016]
Truck traffic:2% of total traffic
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: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]
Operating rating:39.6 tons [36.0 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:91.4

Previous Inspections

DateSuff. RatingConditionCulvert ConditionSD/FOADT
March 201691.4Good7 out of 10-2650
March 201488.4Good7 out of 10-2650
March 201288.4Good7 out of 10-2650
March 201088.4Good7 out of 10-2650
February 200888.4Good7 out of 10-2650
March 200688.4Good7 out of 10-2650
March 200488.4Good7 out of 10-2650
March 200289.4Good7 out of 10-2020
April 200089.4Good7 out of 10-2020
April 199889.3Good7 out of 10-2020
April 199690.3Good7 out of 10-1740
March 199490.4Good7 out of 10-1740
March 199290.4Good7 out of 10-1740
February 199089.4Good7 out of 10-1740