US Bridges

Sc 64 over Chessey Creek

Fair

Colleton County, South Carolina · 6.1 MI S of Waltbr · Structure no. 000000000000120

Built
1921
104 years old, rebuilt 1942
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
88 ft
4 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 64 over Chessey Creek is a concrete tee beam carrying Sc 64 over Chessey Creek in Colleton County, South Carolina. It was built in 1921 and reconstructed in 1942, so it is 104 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.

It carries about 5,500 vehicles a day, roughly 8% of them trucks, projected to reach 8,745 by 2043. The structure is 88 ft (26.8 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSc 64
CrossesChessey Creek
Location6.1 MI S of Waltbr
RouteState Highway 64
Coordinates32.83424, -80.57585
Functional classRural Minor Arterial

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating27.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length88 ft (26.8 m)
Longest span22 ft (6.7 m)
Deck width42 ft (12.7 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic8,745 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 64 over Chessey Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1942.

What condition is Sc 64 over Chessey Creek 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 March 2024.

How much traffic does Sc 64 over Chessey Creek carry?

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

How long is Sc 64 over Chessey Creek?

The structure is 88 ft (26.8 m) long with a longest span of 22 ft (6.7 m) and a deck 42 ft wide.

Who owns Sc 64 over Chessey Creek?

It is owned by the State Highway Agency.