US Bridges

I40 over Beaverdam Swamp

Fair

Sampson County, North Carolina · 0.6 Mi. W. Jct. US701 · Structure no. 000000001630394

Built
1988
37 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
27 ft
3 main spans
Daily traffic
10,000
2020 count
Owner
State
State Highway Agency

About this bridge

I40 over Beaverdam Swamp is a concrete continuous culvert carrying I40 over Beaverdam Swamp in Sampson 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 fair condition with a lowest component rating of 5 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 10,000 vehicles a day, roughly 23% of them trucks, projected to reach 20,000 by 2040. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI40
CrossesBeaverdam Swamp
Location0.6 Mi. W. Jct. US701
RouteInterstate 40
Coordinates35.22961, -78.35743
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating99 US tons
Inventory rating78.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2020)
Projected traffic20,000 by 2040
Trucks23%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I40 over Beaverdam Swamp built?

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

What condition is I40 over Beaverdam Swamp 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 January 2024.

How much traffic does I40 over Beaverdam Swamp carry?

About 10,000 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is I40 over Beaverdam Swamp?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns I40 over Beaverdam Swamp?

It is owned by the State Highway Agency.