US Bridges

US158 over Great Swamp

Fair

Camden County, North Carolina · 0.3 Mi.E.Jct SR1135 · Structure no. 000000000290001

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
7,000
2022 count
Owner
State
State Highway Agency

About this bridge

US158 over Great Swamp is a prestressed concrete slab carrying US158 over Great Swamp in Camden County, North Carolina. It was built in 1981, so it is 44 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 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 7,000 vehicles a day, roughly 8% of them trucks, projected to reach 14,000 by 2040. The structure is 47 ft (14.3 m) long and 44 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesUS158
CrossesGreat Swamp
Location0.3 Mi.E.Jct SR1135
RouteU.S. Route 158
CountyCamden County
StateNorth Carolina
Coordinates36.36038, -76.1245
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2022)
Projected traffic14,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 km)
TollOn a free road
National Highway SystemYes

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 US158 over Great Swamp built?

It was built in 1981, making it 44 years old in 2025.

What condition is US158 over Great 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 October 2024.

How much traffic does US158 over Great Swamp carry?

About 7,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US158 over Great Swamp?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 44 ft wide.

Who owns US158 over Great Swamp?

It is owned by the State Highway Agency.