US Bridges

S-43-227 over Green Swamp

Fair

Sumter County, South Carolina · 2 MI W of Sumter · Structure no. 000000000008697

Built
1993
32 years old
Condition
Fair
inspected July 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-43-227 over Green Swamp is a prestressed concrete slab carrying S-43-227 over Green Swamp in Sumter County, South Carolina. It was built in 1993, so it is 32 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 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,750 by 2043. The structure is 70 ft (21.3 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-43-227
CrossesGreen Swamp
Location2 MI W of Sumter
RouteState Highway 227
CountySumter County
StateSouth Carolina
Coordinates33.91438, -80.37047
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span40 ft (12.2 m)
Deck width39 ft (11.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,750 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$123,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-43-227 over Green Swamp built?

It was built in 1993, making it 32 years old in 2025.

What condition is S-43-227 over Green 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 July 2023.

How much traffic does S-43-227 over Green Swamp carry?

About 3,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-43-227 over Green Swamp?

The structure is 70 ft (21.3 m) long with a longest span of 40 ft (12.2 m) and a deck 39 ft wide.

Who owns S-43-227 over Green Swamp?

It is owned by the State Highway Agency.