US Bridges

Sc 49 over Duncan Creek

Fair

Laurens County, South Carolina · 5.0 MI NE of Laurens · Structure no. 000000000001198

Built
1941
84 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 49 over Duncan Creek is a concrete culvert carrying Sc 49 over Duncan Creek in Laurens County, South Carolina. It was built in 1941, so it is 84 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 3,300 vehicles a day, roughly 12% of them trucks, projected to reach 5,247 by 2043. The structure is 45 ft (13.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 49
CrossesDuncan Creek
Location5.0 MI NE of Laurens
RouteState Highway 49
Coordinates34.54399, -81.94988
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length45 ft (13.7 m)
Longest span10 ft (3 m)
Deck width44 ft (13.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic5,247 by 2043
Trucks12%
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 49 over Duncan Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Sc 49 over Duncan 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 Sc 49 over Duncan Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Sc 49 over Duncan Creek?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m) and a deck 44 ft wide.

Who owns Sc 49 over Duncan Creek?

It is owned by the State Highway Agency.