Structure 48SR0790025 · Lake County, TN

Fas 79 over Slough

Carries Fas 79 over Slough, 0.7 M E Jct Sr79&sr181.

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 FT37 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 37 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.

Built198442 years old
Length36.7 ft11.2 m
Daily traffic764counted 2021
Last inspectedMay 2024every 24 months

Location

StateTennessee
CountyLake
Location0.7 M E Jct Sr79&sr181
CarriesFas 79
CrossesSlough
Coordinates36.22792, -89.53191

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length36.7 ft (11.2 m)
Max Span9.8 ft (3 m)
Deck Width49.2 ft (15 m)
Deck Area168 sq m
Main Spans3
Year Built1984

Traffic

Avg Daily Traffic764 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number48SR0790025

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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