US Bridges

Sc 261 over Socee Swamp

Good

Williamsburg County, South Carolina · 5 MI SE of Hemingway · Structure no. 000000000000987

Built
1939
86 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 261 over Socee Swamp is a concrete culvert carrying Sc 261 over Socee Swamp in Williamsburg County, South Carolina. It was built in 1939, so it is 86 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 8% of them trucks, projected to reach 3,657 by 2043. The structure is 34 ft (10.4 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 261
CrossesSocee Swamp
Location5 MI SE of Hemingway
RouteState Highway 261
Coordinates33.73658, -79.38644
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,657 by 2043
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 261 over Socee Swamp built?

It was built in 1939, making it 86 years old in 2025.

What condition is Sc 261 over Socee Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Sc 261 over Socee Swamp carry?

About 2,300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sc 261 over Socee Swamp?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Sc 261 over Socee Swamp?

It is owned by the State Highway Agency.