US Bridges

I140 over US421 NE Cape Fear River

Fair

New Hanover County, North Carolina · 2.5 Mi. S. Jct. NC133 · Structure no. 000000001290103

Built
2007
18 years old
Condition
Fair
inspected September 2024
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
7,402 ft
3 main spans
Daily traffic
23,500
2022 count
Owner
State
State Highway Agency

About this bridge

I140 over US421 NE Cape Fear River is a prestressed concrete continuous segmental box girder carrying I140 over US421 NE Cape Fear River in New Hanover County, North Carolina. It was built in 2007, so it is 18 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 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 23,500 vehicles a day, roughly 23% of them trucks, projected to reach 47,000 by 2040. The structure is 7,402 ft (2,256.1 m) long and 95 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesI140
CrossesUS421 NE Cape Fear River
Location2.5 Mi. S. Jct. NC133
RouteInterstate 140
Coordinates34.28933, -77.96839
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3 (+58 approach)
Design loadHS 20 + Mod
Structure length7,402 ft (2,256.1 m)
Longest span479 ft (146 m)
Deck width95 ft (29.1 m)
Roadway width90 ft (27.5 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic23,500 (2022)
Projected traffic47,000 by 2040
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and waterway
Detour if closed6.8 mi (11 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I140 over US421 NE Cape Fear River built?

It was built in 2007, making it 18 years old in 2025.

What condition is I140 over US421 NE Cape Fear River 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 2024.

How much traffic does I140 over US421 NE Cape Fear River carry?

About 23,500 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I140 over US421 NE Cape Fear River?

The structure is 7,402 ft (2,256.1 m) long with a longest span of 479 ft (146 m) and a deck 95 ft wide.

Who owns I140 over US421 NE Cape Fear River?

It is owned by the State Highway Agency.