Structure 70SR0680013 · Polk County, TN

Fap 68 over Brush Creek

Carries Fap 68 over Brush Creek, 1 Mi.north Of Ducktown.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 5/9

28 ft end to end. 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.

Built1943rebuilt 1970
Length27.9 ft8.5 m
Daily traffic3,340counted 2021
Last inspectedMay 2024every 24 months

Location

StateTennessee
CountyPolk
Location1 Mi.north Of Ducktown
CarriesFap 68
CrossesBrush Creek
Coordinates35.05620, -84.39163

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length27.9 ft (8.5 m)
Max Span27.9 ft (8.5 m)
Deck Width34.1 ft (10.4 m)
Deck Area88.4 sq m
Main Spans1
Year Built1943 (reconstructed 1970)

Traffic

Avg Daily Traffic3,340 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number70SR0680013

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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