Structure 1930053 · Wilkes County, NC

Nc18 over Yadkin River

Carries Nc18 over Yadkin River, .2 Mi.n.jct.sr2510.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT464 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

464 ft end to end, longest span 78 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built199333 years old
Length463.9 ft141.4 m
Daily traffic17,000counted 2021
Last inspectedApril 2023every 24 months

Location

StateNorth Carolina
CountyWilkes
Location.2 Mi.n.jct.sr2510
CarriesNc18
CrossesYadkin River
Coordinates36.15289, -81.14629

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length463.9 ft (141.4 m)
Max Span77.8 ft (23.7 m)
Deck Width71.9 ft (21.9 m)
Deck Area3096.7 sq m
Main Spans7
Year Built1993

Traffic

Avg Daily Traffic17,000 (2021)
Truck Traffic6%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001930053

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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