US Bridges

US 76 over Richland Creek

Fair

Oconee County, South Carolina · 4.0 MI W of Seneca · Structure no. 000000000004626

Built
1965
60 years old, rebuilt 1979
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
14,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 76 over Richland Creek is a concrete culvert carrying US 76 over Richland Creek in Oconee County, South Carolina. It was built in 1965 and reconstructed in 1979, so it is 60 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 14,300 vehicles a day, roughly 5% of them trucks, projected to reach 24,882 by 2043. The structure is 43 ft (13 m) long and 133 ft wide.

CarriesUS 76
CrossesRichland Creek
Location4.0 MI W of Seneca
RouteU.S. Route 76
Coordinates34.67135, -83.01932
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
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 inspectionFebruary 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13 m)
Longest span10 ft (3 m)
Deck width133 ft (40.5 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,300 (2023)
Projected traffic24,882 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 over Richland Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1979.

What condition is US 76 over Richland 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 February 2024.

How much traffic does US 76 over Richland Creek carry?

About 14,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 76 over Richland Creek?

The structure is 43 ft (13 m) long with a longest span of 10 ft (3 m) and a deck 133 ft wide.

Who owns US 76 over Richland Creek?

It is owned by the State Highway Agency.