US Bridges

NC11 over Buckskin Swamp

Fair

Duplin County, North Carolina · 0.9 Mi. N. of Jct. NC24 · Structure no. 000000000610068

Built
1922
103 years old, rebuilt 1950
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
3,600
2022 count
Owner
State
State Highway Agency

About this bridge

NC11 over Buckskin Swamp is a concrete slab carrying NC11 over Buckskin Swamp in Duplin County, North Carolina. It was built in 1922 and reconstructed in 1950, so it is 103 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,600 vehicles a day, roughly 7% of them trucks, projected to reach 7,200 by 2040. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC11
CrossesBuckskin Swamp
Location0.9 Mi. N. of Jct. NC24
RouteState Highway 11
Coordinates34.97351, -77.95437
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic7,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC11 over Buckskin Swamp built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1950.

What condition is NC11 over Buckskin Swamp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does NC11 over Buckskin Swamp carry?

About 3,600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC11 over Buckskin Swamp?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 33 ft wide.

Who owns NC11 over Buckskin Swamp?

It is owned by the State Highway Agency.