US Bridges

I40W over NC24

Good

Duplin County, North Carolina · 1.3 MI.E.JCT.SR1341 · Structure no. 000000000610449

Built
1988
37 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
10,750
2020 count
Owner
State
State Highway Agency

About this bridge

I40W over NC24 is a prestressed concrete stringer/multi-beam or girder carrying I40W over NC24 in Duplin County, North Carolina. It was built in 1988, so it is 37 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 10,750 vehicles a day, roughly 23% of them trucks, projected to reach 21,500 by 2040. The structure is 142 ft (43.2 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40W
CrossesNC24
Location1.3 MI.E.JCT.SR1341
RouteInterstate 40
Coordinates34.99346, -78.13246
Functional classRural Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length142 ft (43.2 m)
Longest span71 ft (21.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,750 (2020)
Projected traffic21,500 by 2040
Trucks23%
Lanes on structure2
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 NetworkInterstate 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 I40W over NC24 built?

It was built in 1988, making it 37 years old in 2025.

What condition is I40W over NC24 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 September 2023.

How much traffic does I40W over NC24 carry?

About 10,750 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I40W over NC24?

The structure is 142 ft (43.2 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.

Who owns I40W over NC24?

It is owned by the State Highway Agency.