NC24E over Big Swamp

Good

Sampson County, North Carolina · 0.3 Mi. E. JCT S1410 · Structure no. 000000001630433

Built: 2015; 10 years old
Condition: Good; inspected May 2023
Type: Stringer/Multi-beam or Girder; Prestressed Concrete Continuous
Length: 161 ft; 3 main spans
Daily traffic: 8,500; 2021 count
Owner: State; State Highway Agency

About this bridge

NC24E over Big Swamp is a prestressed concrete continuous stringer/multi-beam or girder carrying NC24E over Big Swamp in Sampson County, North Carolina. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,500 vehicles a day, roughly 14% of them trucks, projected to reach 17,000 by 2040. The structure is 161 ft (49 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

No coordinates are recorded for this structure.

CarriesNC24E

CrossesBig Swamp

Location0.3 Mi. E. JCT S1410

RouteU.S. Route 24

CountySampson County

StateNorth Carolina

Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionMay 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable 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 rating76.9 US tons

Inventory rating51.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder

MaterialPrestressed Concrete Continuous

DeckConcrete, cast-in-place

Main spans3 (+2 approach)

Design loadHL 93

Structure length161 ft (49 m)

Longest span53 ft (16.1 m)

Deck width39 ft (11.9 m)

Roadway width35 ft (10.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2021)

Projected traffic17,000 by 2040

Trucks14%

Lanes on structure2

Traffic directionOne-way traffic

CarriesHighway

CrossesWaterway

Detour if closed2.5 mi (4 km)

TollOn a free road

National Highway SystemYes

Strategic Highway NetworkNon-Interstate STRAHNET route

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 NC24E over Big Swamp built?

It was built in 2015, making it 10 years old in 2025.

What condition is NC24E over Big 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 May 2023.

How much traffic does NC24E over Big Swamp carry?

About 8,500 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is NC24E over Big Swamp?

The structure is 161 ft (49 m) long with a longest span of 53 ft (16.1 m) and a deck 39 ft wide.

Who owns NC24E over Big Swamp?

It is owned by the State Highway Agency.