US Bridges

S-34-44 over Maiden Down Swamp

Good

Marion County, South Carolina · 2MI N Mullins · Structure no. 000000000008899

Built
1995
30 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
74 ft
3 main spans
Daily traffic
225
2023 count
Owner
State
State Highway Agency

About this bridge

S-34-44 over Maiden Down Swamp is a concrete continuous slab carrying S-34-44 over Maiden Down Swamp in Marion County, South Carolina. It was built in 1995, so it is 30 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 225 vehicles a day, roughly 3% of them trucks, projected to reach 313 by 2043. The structure is 74 ft (22.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-34-44
CrossesMaiden Down Swamp
Location2MI N Mullins
RouteState Highway 44
Coordinates34.21237, -79.27811
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than 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, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length74 ft (22.6 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic313 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-34-44 over Maiden Down Swamp built?

It was built in 1995, making it 30 years old in 2025.

What condition is S-34-44 over Maiden Down 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 June 2023.

How much traffic does S-34-44 over Maiden Down Swamp carry?

About 225 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-34-44 over Maiden Down Swamp?

The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns S-34-44 over Maiden Down Swamp?

It is owned by the State Highway Agency.