Structure 51SR0480003 · Lewis County, TN

Fap 48 over Sweetwater Branch

Carries Fap 48 over Sweetwater Branch, 4.9 Mi.e.of Perry County.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT86 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

86 ft end to end, longest span 29 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a tee-beam bridge.

Built1933rebuilt 1973
Length85.6 ft26.1 m
Daily traffic615counted 2021
Last inspectedMay 2023every 24 months

Location

StateTennessee
CountyLewis
Location4.9 Mi.e.of Perry County
CarriesFap 48
CrossesSweetwater Branch
Coordinates35.49757, -87.63429

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length85.6 ft (26.1 m)
Max Span28.9 ft (8.8 m)
Deck Width40.0 ft (12.2 m)
Deck Area318.4 sq m
Main Spans3
Year Built1933 (reconstructed 1973)

Traffic

Avg Daily Traffic615 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number51SR0480003

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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