US Bridges

Sc 210 over Four Hole Swamp

Fair

Orangeburg County, South Carolina · 8MI E of Bowman · Structure no. 000000000000255

Built
1927
98 years old, rebuilt 1968
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
66 ft
3 main spans
Daily traffic
850
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 210 over Four Hole Swamp is a concrete tee beam carrying Sc 210 over Four Hole Swamp in Orangeburg County, South Carolina. It was built in 1927 and reconstructed in 1968, so it is 98 years old, older than the South Carolina average of 48 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 850 vehicles a day, roughly 18% of them trucks, projected to reach 1,241 by 2043. The structure is 66 ft (20.1 m) long and 39 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSc 210
CrossesFour Hole Swamp
Location8MI E of Bowman
RouteState Highway 210
CountyOrangeburg County
StateSouth Carolina
Coordinates33.36186, -80.56836
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2023)
Projected traffic1,241 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$101,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 210 over Four Hole Swamp built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1968.

What condition is Sc 210 over Four Hole 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 December 2023.

How much traffic does Sc 210 over Four Hole Swamp carry?

About 850 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Sc 210 over Four Hole Swamp?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.

Who owns Sc 210 over Four Hole Swamp?

It is owned by the State Highway Agency.