US Bridges

S-43-33 over Green Swamp

Fair

Sumter County, South Carolina · 2 MI SW of Sumter · Structure no. 000000000006942

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
132 ft
4 main spans
Daily traffic
8,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-43-33 over Green Swamp is a concrete continuous slab carrying S-43-33 over Green Swamp in Sumter County, South Carolina. It was built in 2003, so it is 22 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 8,500 vehicles a day, roughly 5% of them trucks, projected to reach 10,625 by 2043. The structure is 132 ft (40.2 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-43-33
CrossesGreen Swamp
Location2 MI SW of Sumter
RouteState Highway 33
CountySumter County
StateSouth Carolina
Coordinates33.90776, -80.36507
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length132 ft (40.2 m)
Longest span33 ft (10.1 m)
Deck width73 ft (22.3 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2023)
Projected traffic10,625 by 2043
Trucks5%
Lanes on structure4
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 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 S-43-33 over Green Swamp built?

It was built in 2003, making it 22 years old in 2025.

What condition is S-43-33 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 June 2023.

How much traffic does S-43-33 over Green Swamp carry?

About 8,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-43-33 over Green Swamp?

The structure is 132 ft (40.2 m) long with a longest span of 33 ft (10.1 m) and a deck 73 ft wide.

Who owns S-43-33 over Green Swamp?

It is owned by the State Highway Agency.