US Bridges

NC111 over Nahunta Swamp

Good

Wayne County, North Carolina · 0.8 Mi.S. Jct. SR1224 · Structure no. 000000001910034

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
1,400
2022 count
Owner
State
State Highway Agency

About this bridge

NC111 over Nahunta Swamp is a prestressed concrete slab carrying NC111 over Nahunta Swamp in Wayne County, North Carolina. It was built in 2004, so it is 21 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 7% of them trucks, projected to reach 2,800 by 2040. The structure is 100 ft (30.4 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNC111
CrossesNahunta Swamp
Location0.8 Mi.S. Jct. SR1224
RouteState Highway 111
Coordinates35.51633, -77.89949
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length100 ft (30.4 m)
Longest span49 ft (14.9 m)
Deck width36 ft (10.9 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)
Projected traffic2,800 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC111 over Nahunta Swamp built?

It was built in 2004, making it 21 years old in 2025.

What condition is NC111 over Nahunta Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does NC111 over Nahunta Swamp carry?

About 1,400 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC111 over Nahunta Swamp?

The structure is 100 ft (30.4 m) long with a longest span of 49 ft (14.9 m) and a deck 36 ft wide.

Who owns NC111 over Nahunta Swamp?

It is owned by the State Highway Agency.