Structure 520A3700001 · Lincoln County, TN

Nfa A370 over Walker Creek

Carries Nfa A370 over Walker Creek, 9 M. S. Fayetteville..

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT92 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

92 ft end to end, longest span 25 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 multi-beam bridge.

Built1917rebuilt 1950
Length91.9 ft28 m
Daily traffic240counted 2020
Last inspectedAugust 2023every 24 months

Location

StateTennessee
CountyLincoln
Location9 M. S. Fayetteville.
CarriesNfa A370
CrossesWalker Creek
Coordinates35.02890, -86.60185

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length91.9 ft (28 m)
Max Span24.9 ft (7.6 m)
Deck Width23.6 ft (7.2 m)
Deck Area201.6 sq m
Main Spans4
Year Built1917 (reconstructed 1950)

Traffic

Avg Daily Traffic240 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number520A3700001

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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