Structure 610480 · Duplin County, NC

Nc111 over Great Branch

Carries Nc111 over Great Branch, 1.0 Mi.s.jct.sr1532.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 34 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.

Built196264 years old
Length33.8 ft10.3 m
Daily traffic2,700counted 2022
Last inspectedOctober 2023every 24 months

Location

StateNorth Carolina
CountyDuplin
Location1.0 Mi.s.jct.sr1532
CarriesNc111
CrossesGreat Branch
Coordinates35.12156, -77.82485

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length33.8 ft (10.3 m)
Max Span10.8 ft (3.3 m)
Deck Area87.5 sq m
Main Spans3
Year Built1962

Traffic

Avg Daily Traffic2,700 (2022)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000610480

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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