US Bridges

S-45-24 over Headless Swamp

Good

Williamsburg County, South Carolina · 5.0 MI S Stuckey · Structure no. 000000000008936

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

S-45-24 over Headless Swamp is a concrete continuous slab carrying S-45-24 over Headless Swamp in Williamsburg County, South Carolina. It was built in 1995, so it is 30 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 750 vehicles a day, roughly 15% of them trucks, projected to reach 1,095 by 2043. The structure is 74 ft (22.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-45-24
CrossesHeadless Swamp
Location5.0 MI S Stuckey
RouteState Highway 24
Coordinates33.6567, -79.51043
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,095 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-45-24 over Headless Swamp built?

It was built in 1995, making it 30 years old in 2025.

What condition is S-45-24 over Headless Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does S-45-24 over Headless Swamp carry?

About 750 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is S-45-24 over Headless Swamp?

The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns S-45-24 over Headless Swamp?

It is owned by the State Highway Agency.