US Bridges

US701 over Gum Swamp

Fair

Columbus County, North Carolina · 0.2 Mi. N. Jct. SR1156 · Structure no. 000000000470395

Built
1955
70 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
38 ft
4 main spans
Daily traffic
4,900
2022 count
Owner
State
State Highway Agency

About this bridge

US701 over Gum Swamp is a concrete continuous culvert carrying US701 over Gum Swamp in Columbus County, North Carolina. It was built in 1955, so it is 70 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 4,900 vehicles a day, roughly 8% of them trucks, projected to reach 9,800 by 2040. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS701
CrossesGum Swamp
Location0.2 Mi. N. Jct. SR1156
RouteU.S. Route 701
CountyColumbus County
StateNorth Carolina
Coordinates34.19044, -78.77261
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length38 ft (11.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2022)
Projected traffic9,800 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 US701 over Gum Swamp built?

It was built in 1955, making it 70 years old in 2025.

What condition is US701 over Gum 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 March 2024.

How much traffic does US701 over Gum Swamp carry?

About 4,900 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US701 over Gum Swamp?

The structure is 38 ft (11.5 m) long with a longest span of 9 ft (2.7 m).

Who owns US701 over Gum Swamp?

It is owned by the State Highway Agency.