Structure 750012 · Graham County, NC

Nc 143 over Atoah Creek

Carries Nc 143 over Atoah Creek, 25 Ft E Jct SR 1114.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

37 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 slab bridge.

Built20197 years old
Length36.7 ft11.2 m
Daily traffic1,600counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateNorth Carolina
CountyGraham
Location25 Ft E Jct SR 1114
CarriesNc 143
CrossesAtoah Creek
Coordinates35.30839, -83.82328

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length36.7 ft (11.2 m)
Max Span33.8 ft (10.3 m)
Deck Width32.8 ft (10 m)
Deck Area112 sq m
Main Spans1
Year Built2019

Traffic

Avg Daily Traffic1,600 (2022)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000750012

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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