US Bridges

S-22-24 over Bonny Clabber

FairPosted for load

Georgetown County, South Carolina · 12MI SW Georgetown · Structure no. 000000000003282

Built
1960
65 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-22-24 over Bonny Clabber is a concrete slab carrying S-22-24 over Bonny Clabber in Georgetown County, South Carolina. It was built in 1960 and reconstructed in 1991, so it is 65 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 1,460 by 2043. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-22-24
CrossesBonny Clabber
Location12MI SW Georgetown
RouteState Highway 24
Coordinates33.23293, -79.38561
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,460 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-22-24 over Bonny Clabber built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is S-22-24 over Bonny Clabber 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 May 2023.

How much traffic does S-22-24 over Bonny Clabber carry?

About 1,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-22-24 over Bonny Clabber?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-22-24 over Bonny Clabber?

It is owned by the State Highway Agency.