Structure 750017 · Graham County, NC

Sr1123 over West Buffalo Creek

Carries Sr1123 over West Buffalo Creek, .5 Mi.s.jct.sr1148.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 39 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built198046 years old
Length38.7 ft11.8 m
Daily traffic200counted 2014
Last inspectedMay 2023every 24 months

Location

StateNorth Carolina
CountyGraham
Location.5 Mi.s.jct.sr1148
CarriesSr1123
CrossesWest Buffalo Creek
Coordinates35.32435, -83.89638

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length38.7 ft (11.8 m)
Max Span10.8 ft (3.3 m)
Deck Area70.8 sq m
Main Spans3
Year Built1980

Traffic

Avg Daily Traffic200 (2014)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000750017

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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