Structure 29S24790009 · Grainger County, TN

Nfa 1213 (sa 2901) over Branch

Carries Nfa 1213 (sa 2901) over Branch, East Of Us11.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 38 ft across with 2 openings. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built195076 years old
Length37.7 ft11.5 m
Daily traffic1,116counted 2021
Last inspectedApril 2023every 24 months

Location

StateTennessee
CountyGrainger
LocationEast Of Us11
CarriesNfa 1213 (sa 2901)
CrossesBranch
Coordinates36.15905, -83.61501

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length37.7 ft (11.5 m)
Max Span12.1 ft (3.7 m)
Deck Width44.0 ft (13.4 m)
Deck Area154.1 sq m
Main Spans2
Year Built1950

Traffic

Avg Daily Traffic1,116 (2021)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number29S24790009

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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