US Bridges

Sc 210 over Four Hole Swamp

Poor

Orangeburg County, South Carolina · 8MI E of Bowman · Structure no. 000000000000257

Built
1927
98 years old, rebuilt 1968
Condition
Poor
inspected December 2024
Type
Tee Beam
Concrete
Length
154 ft
7 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 850 vehicles a day, roughly 18% of them trucks, projected to reach 1,241 by 2043. The structure is 154 ft (46.9 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSc 210
CrossesFour Hole Swamp
Location8MI E of Bowman
RouteState Highway 210
Coordinates33.36445, -80.56148
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 10
Structure length154 ft (46.9 m)
Longest span22 ft (6.7 m)
Deck width40 ft (12.1 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 proposedNone recorded
Estimated improvement cost—
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 poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

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 154 ft (46.9 m) long with a longest span of 22 ft (6.7 m) and a deck 40 ft wide.

Who owns Sc 210 over Four Hole Swamp?

It is owned by the State Highway Agency.