US Bridges

S-40-2813 over Smith Branch

Fair

Richland County, South Carolina · 2 MI N of Columbia · Structure no. 000000000001763

Built
1971
54 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
10,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-2813 over Smith Branch is a concrete culvert carrying S-40-2813 over Smith Branch in Richland County, South Carolina. It was built in 1971, so it is 54 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 10,600 vehicles a day, roughly 2% of them trucks, projected to reach 14,310 by 2043. The structure is 33 ft (10.1 m) long and 146 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-40-2813
CrossesSmith Branch
Location2 MI N of Columbia
RouteState Highway 2813
Coordinates34.02548, -81.03473
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width146 ft (44.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2023)
Projected traffic14,310 by 2043
Trucks2%
Lanes on structure4
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$144,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-40-2813 over Smith Branch built?

It was built in 1971, making it 54 years old in 2025.

What condition is S-40-2813 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 2024.

How much traffic does S-40-2813 over Smith Branch carry?

About 10,600 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-40-2813 over Smith Branch?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 146 ft wide.

Who owns S-40-2813 over Smith Branch?

It is owned by the State Highway Agency.