Structure 83S61270007 · Sumner County, TN

Fas 258 over Branch

Carries Fas 258 over Branch, 2 M NE Jct Sr41&sr257.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT47 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 47 ft across with 3 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.

Built196066 years old
Length46.9 ft14.3 m
Daily traffic7,485counted 2021
Last inspectedSeptember 2024every 24 months

Location

StateTennessee
CountySumner
Location2 M NE Jct Sr41&sr257
CarriesFas 258
CrossesBranch
Coordinates36.42535, -86.65920

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length46.9 ft (14.3 m)
Max Span9.8 ft (3 m)
Deck Area113.0 sq m
Main Spans3
Year Built1960

Traffic

Avg Daily Traffic7,485 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number83S61270007

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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