NFA B631 over BRANCH


+35.02139, -85.29833
35°01'17" N, 85°17'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NFA B631 over BRANCH
Structure number:330B6310001
Location:.03 MI S OF I24
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]
Owner:City or Municipal Highway Agency [04]
Year built:1962
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:680 [as of 2016]
Truck traffic:1% of total traffic
Structural appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
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:96.9

Previous Inspections 

DateSuff. RatingConditionCulvert ConditionSD/FOADT
March 201696.9Good7 out of 10-680
March 201496.9Good7 out of 10-680
March 201296.9Good7 out of 10-680
March 201099.9Good7 out of 10-680
March 200899.9Good7 out of 10-680
March 200699.9Good7 out of 10-680
March 200499.9Good7 out of 10-680
March 200299.9Good7 out of 10-960
April 200099.9Good7 out of 10-960
March 199896.9Good7 out of 10-960
April 199696.9Good7 out of 10-500
August 199496.9Good7 out of 10-500