US Bridges

Sc 764 over Griffin Creek

Fair

Richland County, South Carolina · Town of Eastover · Structure no. 000000000000699

Built
1935
90 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
950
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 764 over Griffin Creek is a concrete culvert carrying Sc 764 over Griffin Creek in Richland County, South Carolina. It was built in 1935, so it is 90 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 950 vehicles a day, roughly 9% of them trucks, projected to reach 1,387 by 2043. The structure is 21 ft (6.4 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSc 764
CrossesGriffin Creek
LocationTown of Eastover
RouteState Highway 764
CountyRichland County
StateSouth Carolina
Coordinates33.87503, -80.6855
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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2023)
Projected traffic1,387 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 764 over Griffin Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Sc 764 over Griffin 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 December 2023.

How much traffic does Sc 764 over Griffin Creek carry?

About 950 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 764 over Griffin Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Sc 764 over Griffin Creek?

It is owned by the State Highway Agency.