US Bridges

Sc 64 over Ireland Creek

Fair

Colleton County, South Carolina · In Walterboro · Structure no. 000000000007553

Built
1982
43 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
150 ft
5 main spans
Daily traffic
10,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 64 over Ireland Creek is a concrete slab carrying Sc 64 over Ireland Creek in Colleton County, South Carolina. It was built in 1982, so it is 43 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 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 10,700 vehicles a day, roughly 9% of them trucks, projected to reach 15,087 by 2043. The structure is 150 ft (45.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 64
CrossesIreland Creek
LocationIn Walterboro
RouteState Highway 64
Coordinates32.91959, -80.65678
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2023)
Projected traffic15,087 by 2043
Trucks9%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 64 over Ireland Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sc 64 over Ireland 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 Ireland Creek carry?

About 10,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 64 over Ireland Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 64 over Ireland Creek?

It is owned by the State Highway Agency.