Structure 760A0560001 · Scott County, TN

Nfa A056 841826k over Southern Railway

Carries Nfa A056 841826k over Southern Railway, S Of Winfield-w Off US 27.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT168 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

168 ft end to end, longest span 86 ft: about 2 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 multi-beam bridge.

Built197551 years old
Length167.7 ft51.1 m
Daily traffic50counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateTennessee
CountyScott
LocationS Of Winfield-w Off US 27
CarriesNfa A056 841826k
CrossesSouthern Railway
Coordinates36.54128, -84.46073

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length167.7 ft (51.1 m)
Max Span85.6 ft (26.1 m)
Deck Width21.3 ft (6.5 m)
Deck Area332.1 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic50 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number760A0560001

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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