US Bridges

I40 over Goshen Swamp

Fair

Duplin County, North Carolina · 1.5 MI.S.JCT.SR1006 · Structure no. 000000000610454

Built
1993
32 years old
Condition
Fair
inspected November 2023
Type
Slab
Prestressed Concrete
Length
175 ft
4 main spans
Daily traffic
2,800
2022 count
Owner
State
State Highway Agency

About this bridge

I40 over Goshen Swamp is a prestressed concrete slab carrying I40 over Goshen Swamp in Duplin County, North Carolina. It was built in 1993, so it is 32 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 2,800 vehicles a day, roughly 23% of them trucks, projected to reach 5,600 by 2040. The structure is 175 ft (53.3 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40
CrossesGoshen Swamp
Location1.5 MI.S.JCT.SR1006
RouteU.S. Route 117
CountyDuplin County
StateNorth Carolina
Coordinates35.1455, -78.12622
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length175 ft (53.3 m)
Longest span42 ft (12.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2022)
Projected traffic5,600 by 2040
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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 Goshen Swamp built?

It was built in 1993, making it 32 years old in 2025.

What condition is I40 over Goshen 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 November 2023.

How much traffic does I40 over Goshen Swamp carry?

About 2,800 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is I40 over Goshen Swamp?

The structure is 175 ft (53.3 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.

Who owns I40 over Goshen Swamp?

It is owned by the State Highway Agency.