US Bridges

Sc 12 over Gills Creek

Fair

Richland County, South Carolina · 3 MI NE of Forest Acres · Structure no. 000000000001222

Built
1941
84 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
10,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 12 over Gills Creek is a concrete culvert carrying Sc 12 over Gills Creek in Richland County, South Carolina. It was built in 1941, 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 10,700 vehicles a day, roughly 3% of them trucks, projected to reach 14,445 by 2043. The structure is 25 ft (7.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSc 12
CrossesGills Creek
Location3 MI NE of Forest Acres
RouteState Highway 12
CountyRichland County
StateSouth Carolina
Coordinates34.03993, -80.93891
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2023)
Projected traffic14,445 by 2043
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 12 over Gills Creek built?

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

What condition is Sc 12 over Gills 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 12 over Gills Creek carry?

About 10,700 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 12 over Gills Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 42 ft wide.

Who owns Sc 12 over Gills Creek?

It is owned by the State Highway Agency.