US Bridges

US 278 over Log Creek

Fair

Allendale County, South Carolina · 1MI N of Allendale · Structure no. 000000000001300

Built
1945
80 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 278 over Log Creek is a concrete culvert carrying US 278 over Log Creek in Allendale County, South Carolina. It was built in 1945, so it is 80 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 2,900 vehicles a day, roughly 17% of them trucks, projected to reach 4,611 by 2043. The structure is 21 ft (6.4 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 278
CrossesLog Creek
Location1MI N of Allendale
RouteU.S. Route 278
Coordinates33.02828, -81.31327
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span8 ft (2.4 m)
Deck width54 ft (16.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2023)
Projected traffic4,611 by 2043
Trucks17%
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 US 278 over Log Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is US 278 over Log 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 May 2024.

How much traffic does US 278 over Log Creek carry?

About 2,900 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US 278 over Log Creek?

The structure is 21 ft (6.4 m) long with a longest span of 8 ft (2.4 m) and a deck 54 ft wide.

Who owns US 278 over Log Creek?

It is owned by the State Highway Agency.