US Bridges

Sc 300 over Well Branch

Fair

Barnwell County, South Carolina · 2.8MI SE of Barnwell · Structure no. 000000000001343

Built
1947
78 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 300 over Well Branch is a concrete culvert carrying Sc 300 over Well Branch in Barnwell County, South Carolina. It was built in 1947, so it is 78 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 650 vehicles a day, roughly 28% of them trucks, projected to reach 949 by 2043. The structure is 31 ft (9.6 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSc 300
CrossesWell Branch
Location2.8MI SE of Barnwell
RouteState Highway 300
Coordinates33.18882, -81.32833
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating47.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width32 ft (9.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic949 by 2043
Trucks28%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 300 over Well Branch built?

It was built in 1947, making it 78 years old in 2025.

What condition is Sc 300 over Well Branch 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 June 2024.

How much traffic does Sc 300 over Well Branch carry?

About 650 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is Sc 300 over Well Branch?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns Sc 300 over Well Branch?

It is owned by the State Highway Agency.