US Bridges

S-34-41 over Smith Swamp

Good

Marion County, South Carolina · 2 MI E of Marion · Structure no. 000000000010398

Built
2018
7 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-34-41 over Smith Swamp is a concrete continuous slab carrying S-34-41 over Smith Swamp in Marion County, South Carolina. It was built in 2018, so it is 7 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,500 vehicles a day, roughly 5% of them trucks, projected to reach 4,935 by 2043. The structure is 90 ft (27.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-34-41
CrossesSmith Swamp
Location2 MI E of Marion
RouteState Highway 41
Coordinates34.19181, -79.337
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic4,935 by 2043
Trucks5%
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 S-34-41 over Smith Swamp built?

It was built in 2018, making it 7 years old in 2025.

What condition is S-34-41 over Smith Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does S-34-41 over Smith Swamp carry?

About 3,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-34-41 over Smith Swamp?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.

Who owns S-34-41 over Smith Swamp?

It is owned by the State Highway Agency.