US Bridges

S-74/MILL Pond RD over Buckhead Creek

Fair

Colleton County, South Carolina · 12.8 MI NW Walterboro · Structure no. 000000000002163

Built
1955
70 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
56 ft
4 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-74/MILL Pond RD over Buckhead Creek is a concrete slab carrying S-74/MILL Pond RD over Buckhead Creek in Colleton County, South Carolina. It was built in 1955, so it is 70 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 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 56 ft (17.1 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-74/MILL Pond RD
CrossesBuckhead Creek
Location12.8 MI NW Walterboro
RouteState Highway 74
Coordinates33.05131, -80.79422
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 10
Structure length56 ft (17.1 m)
Longest span14 ft (4.3 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 S-74/MILL Pond RD over Buckhead Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is S-74/MILL Pond RD over Buckhead 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 February 2024.

How much traffic does S-74/MILL Pond RD over Buckhead Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-74/MILL Pond RD over Buckhead Creek?

The structure is 56 ft (17.1 m) long with a longest span of 14 ft (4.3 m) and a deck 29 ft wide.

Who owns S-74/MILL Pond RD over Buckhead Creek?

It is owned by the State Highway Agency.