US Bridges

US 76/US 378 over Long Branch

Fair

Sumter County, South Carolina · 6 MI NW of Sumter · Structure no. 000000000001228

Built
1941
84 years old, rebuilt 1955
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
26,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 76/US 378 over Long Branch is a concrete culvert carrying US 76/US 378 over Long Branch in Sumter County, South Carolina. It was built in 1941 and reconstructed in 1955, 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 26,400 vehicles a day, roughly 7% of them trucks, projected to reach 18,216 by 2043. The structure is 32 ft (9.8 m) long and 104 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 76/US 378
CrossesLong Branch
Location6 MI NW of Sumter
RouteU.S. Route 76
CountySumter County
StateSouth Carolina
Coordinates33.96167, -80.42667
Functional classUrban Other Principal 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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width104 ft (31.7 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,400 (2023)
Projected traffic18,216 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 76/US 378 over Long Branch built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1955.

What condition is US 76/US 378 over Long 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 US 76/US 378 over Long Branch carry?

About 26,400 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 76/US 378 over Long Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 104 ft wide.

Who owns US 76/US 378 over Long Branch?

It is owned by the State Highway Agency.