US Bridges

NC24RAMP over US421N

Good

Sampson County, North Carolina · 0.25 MI W JCT SR1227 · Structure no. 000000001630054

Built
1967
58 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
3 main spans
Daily traffic
5,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC24RAMP over US421N is a steel stringer/multi-beam or girder carrying NC24RAMP over US421N in Sampson County, North Carolina. It was built in 1967, so it is 58 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 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 5,000 vehicles a day, roughly 12% of them trucks, projected to reach 10,000 by 2040. The structure is 152 ft (46.3 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC24RAMP
CrossesUS421N
Location0.25 MI W JCT SR1227
RouteState Highway 24
Coordinates34.98609, -78.32455
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2021)
Projected traffic10,000 by 2040
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC24RAMP over US421N built?

It was built in 1967, making it 58 years old in 2025.

What condition is NC24RAMP over US421N 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 July 2024.

How much traffic does NC24RAMP over US421N carry?

About 5,000 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is NC24RAMP over US421N?

The structure is 152 ft (46.3 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns NC24RAMP over US421N?

It is owned by the State Highway Agency.