Structure 680A1890001 · Perry County, TN

Nfa A189 over Cedar Creek

Carries Nfa A189 over Cedar Creek, Mcgee Hollow Road.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT73 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

73 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 box-beam bridge.

Built200917 years old
Length72.5 ft22.1 m
Daily traffic20counted 2020
Last inspectedApril 2023every 24 months

Location

StateTennessee
CountyPerry
LocationMcgee Hollow Road
CarriesNfa A189
CrossesCedar Creek
Coordinates35.52675, -87.91033

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length72.5 ft (22.1 m)
Max Span68.6 ft (20.9 m)
Deck Width24.3 ft (7.4 m)
Deck Area163.5 sq m
Main Spans1
Year Built2009

Traffic

Avg Daily Traffic20 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number680A1890001

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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