US Bridges

US 76/US 378 EB over Wateree River

Fair

Sumter County, South Carolina · 17 MI W of Sumter · Structure no. 000000000008104

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,670 ft
6 main spans
Daily traffic
9,350
2023 count
Owner
State
State Highway Agency

About this bridge

US 76/US 378 EB over Wateree River is a steel continuous stringer/multi-beam or girder carrying US 76/US 378 EB over Wateree River in Sumter County, South Carolina. It was built in 1987, so it is 38 years old, younger 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 9,350 vehicles a day, roughly 11% of them trucks, projected to reach 16,269 by 2043. The structure is 2,670 ft (813.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 76/US 378 EB
CrossesWateree River
Location17 MI W of Sumter
RouteU.S. Route 76
CountySumter County
StateSouth Carolina
Coordinates33.947, -80.62754
Functional classRural Principal Arterial - Other

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+60 approach)
Design loadHS 20 + Mod
Structure length2,670 ft (813.8 m)
Longest span210 ft (64 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,350 (2023)
Projected traffic16,269 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 76/US 378 EB over Wateree River built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 76/US 378 EB over Wateree River 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 July 2024.

How much traffic does US 76/US 378 EB over Wateree River carry?

About 9,350 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 76/US 378 EB over Wateree River?

The structure is 2,670 ft (813.8 m) long with a longest span of 210 ft (64 m) and a deck 43 ft wide.

Who owns US 76/US 378 EB over Wateree River?

It is owned by the State Highway Agency.