US Bridges

US74 Bus. over White Marsh Swamp

Fair

Columbus County, North Carolina · 0.6 MI W. of JCT NC214 · Structure no. 000000000470402

Built
1962
63 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
6,100
2022 count
Owner
State
State Highway Agency

About this bridge

US74 Bus. over White Marsh Swamp is a concrete continuous culvert carrying US74 Bus. over White Marsh Swamp in Columbus County, North Carolina. It was built in 1962, so it is 63 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 6,100 vehicles a day, roughly 8% of them trucks, projected to reach 12,200 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS74 Bus.
CrossesWhite Marsh Swamp
Location0.6 MI W. of JCT NC214
RouteU.S. Route 74
CountyColumbus County
StateNorth Carolina
Coordinates34.34358, -78.6699
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 inspectionAugust 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 spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2022)
Projected traffic12,200 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US74 Bus. over White Marsh Swamp built?

It was built in 1962, making it 63 years old in 2025.

What condition is US74 Bus. over White Marsh 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 August 2024.

How much traffic does US74 Bus. over White Marsh Swamp carry?

About 6,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is US74 Bus. over White Marsh Swamp?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m).

Who owns US74 Bus. over White Marsh Swamp?

It is owned by the State Highway Agency.