Structure 580A2400001 · Marion County, TN

Nfa A240 over Hoge Branch

Carries Nfa A240 over Hoge Branch, 3.7 Mi SE Jct Sr2&sr150.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT29 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 29 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.

Built199333 years old
Length28.5 ft8.7 m
Daily traffic170counted 2020
Last inspectedOctober 2024every 24 months

Location

StateTennessee
CountyMarion
Location3.7 Mi SE Jct Sr2&sr150
CarriesNfa A240
CrossesHoge Branch
Coordinates35.06022, -85.56330

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length28.5 ft (8.7 m)
Max Span12.1 ft (3.7 m)
Deck Width38.1 ft (11.6 m)
Deck Area100.9 sq m
Main Spans2
Year Built1993

Traffic

Avg Daily Traffic170 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number580A2400001

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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