Structure 5570011P0000000 · Wayne County, TN

Natchez Trace Park over Scab Branch

Carries Natchez Trace Park over Scab Branch, 13.3 Miles Fr Tn Route 13.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT85 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

85 ft end to end, longest span 32 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 slab bridge.

Built199729 years old
Length85.0 ft25.9 m
Daily traffic960counted 2024
Last inspectedMarch 2023every 24 months

Location

StateTennessee
CountyWayne
Location13.3 Miles Fr Tn Route 13
CarriesNatchez Trace Park
CrossesScab Branch
Coordinates35.25144, -87.63422

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length85.0 ft (25.9 m)
Max Span32.2 ft (9.8 m)
Deck Width37.1 ft (11.3 m)
Deck Area292.7 sq m
Main Spans3
Year Built1997

Traffic

Avg Daily Traffic960 (2024)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerNational Park Service
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number5570011P0000000

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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