Structure 57SR0010018 · Madison County, TN

Fas 1 over Branch

Carries Fas 1 over Branch, 3.96 Mi.e. Jct. Fas 8227.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT315 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

315 ft end to end, longest span 29 ft: about 4 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built1959rebuilt 2000
Length314.6 ft95.9 m
Daily traffic10,030counted 2021
Last inspectedApril 2023every 24 months

Location

StateTennessee
CountyMadison
Location3.96 Mi.e. Jct. Fas 8227
CarriesFas 1
CrossesBranch
Coordinates35.61864, -88.86336

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length314.6 ft (95.9 m)
Max Span28.5 ft (8.7 m)
Deck Width34.1 ft (10.4 m)
Deck Area997.4 sq m
Main Spans11
Year Built1959 (reconstructed 2000)

Traffic

Avg Daily Traffic10,030 (2021)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical3 — Scour critical
Structure Number57SR0010018

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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