US Bridges

Sc 16 over Smith Branch

Fair

Richland County, South Carolina · 2 MI NW of Columbia · Structure no. 000000000001282

Built
1943
82 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
20,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 16 over Smith Branch is a concrete culvert carrying Sc 16 over Smith Branch in Richland County, South Carolina. It was built in 1943, so it is 82 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 20,300 vehicles a day, roughly 2% of them trucks, projected to reach 27,405 by 2043. The structure is 23 ft (7 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 16
CrossesSmith Branch
Location2 MI NW of Columbia
RouteState Highway 16
Coordinates34.03054, -81.04919
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width68 ft (20.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,300 (2023)
Projected traffic27,405 by 2043
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 16 over Smith Branch built?

It was built in 1943, making it 82 years old in 2025.

What condition is Sc 16 over Smith Branch 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 16 over Smith Branch carry?

About 20,300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sc 16 over Smith Branch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 68 ft wide.

Who owns Sc 16 over Smith Branch?

It is owned by the State Highway Agency.