US Bridges

S-27-110 over Great Swamp

Fair

Jasper County, South Carolina · 3.5MI SW Ridgeland · Structure no. 000000000008759

Built
1994
31 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
30 ft
3 main spans
Daily traffic
325
2023 count
Owner
State
State Highway Agency

About this bridge

S-27-110 over Great Swamp is a concrete slab carrying S-27-110 over Great Swamp in Jasper County, South Carolina. It was built in 1994, so it is 31 years old, younger 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 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 325 vehicles a day, roughly 5% of them trucks, projected to reach 416 by 2043. The structure is 30 ft (9.1 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesS-27-110
CrossesGreat Swamp
Location3.5MI SW Ridgeland
RouteState Highway 110
Coordinates32.44459, -81.02207
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width19 ft (5.8 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2023)
Projected traffic416 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$141,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-27-110 over Great Swamp built?

It was built in 1994, making it 31 years old in 2025.

What condition is S-27-110 over Great 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 January 2025.

How much traffic does S-27-110 over Great Swamp carry?

About 325 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-27-110 over Great Swamp?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 19 ft wide.

Who owns S-27-110 over Great Swamp?

It is owned by the State Highway Agency.