US Bridges

Sc 768 over Unnamed Stream

Fair

Richland County, South Carolina · 6 MI SE of Columbia · Structure no. 000000000007289

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
13,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 768 over Unnamed Stream is a concrete culvert carrying Sc 768 over Unnamed Stream in Richland County, South Carolina. It was built in 1979, so it is 46 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 13,900 vehicles a day, roughly 10% of them trucks, projected to reach 18,765 by 2043. The structure is 21 ft (6.4 m) long and 109 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSc 768
CrossesUnnamed Stream
Location6 MI SE of Columbia
RouteState Highway 768
CountyRichland County
StateSouth Carolina
Coordinates33.94838, -80.93297
Functional classUrban 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 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 rating107.1 US tons
Inventory rating88.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width109 ft (33.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,900 (2023)
Projected traffic18,765 by 2043
Trucks10%
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 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 Sc 768 over Unnamed Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is Sc 768 over Unnamed Stream 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 768 over Unnamed Stream carry?

About 13,900 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sc 768 over Unnamed Stream?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m) and a deck 109 ft wide.

Who owns Sc 768 over Unnamed Stream?

It is owned by the State Highway Agency.