US Bridges

Sc 41 Alt over Buck Swamp

Fair

Dillon County, South Carolina · 1.0MI SW of Fork · Structure no. 000000000001365

Built
1947
78 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 41 Alt over Buck Swamp is a concrete tee beam carrying Sc 41 Alt over Buck Swamp in Dillon County, South Carolina. It was built in 1947, so it is 78 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 1,500 vehicles a day, roughly 7% of them trucks, projected to reach 2,385 by 2043. The structure is 210 ft (64 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSc 41 Alt
CrossesBuck Swamp
Location1.0MI SW of Fork
RouteState Highway 41
CountyDillon County
StateSouth Carolina
Coordinates34.2771, -79.29424
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic2,385 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sc 41 Alt over Buck Swamp built?

It was built in 1947, making it 78 years old in 2025.

What condition is Sc 41 Alt over Buck 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 February 2024.

How much traffic does Sc 41 Alt over Buck Swamp carry?

About 1,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Sc 41 Alt over Buck Swamp?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.

Who owns Sc 41 Alt over Buck Swamp?

It is owned by the State Highway Agency.