US Bridges

S-43-59 over Hope Swamp

Good

Sumter County, South Carolina · 7 MI SE of Mayesville · Structure no. 000000000003991

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-43-59 over Hope Swamp is a prestressed concrete slab carrying S-43-59 over Hope Swamp in Sumter County, South Carolina. It was built in 2005, so it is 20 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 125 vehicles a day, roughly 25% of them trucks, projected to reach 174 by 2043. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-43-59
CrossesHope Swamp
Location7 MI SE of Mayesville
RouteState Highway 59
Coordinates33.94746, -80.10243
Functional classRural Minor 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic174 by 2043
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S-43-59 over Hope Swamp built?

It was built in 2005, making it 20 years old in 2025.

What condition is S-43-59 over Hope 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-43-59 over Hope Swamp carry?

About 125 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is S-43-59 over Hope Swamp?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-43-59 over Hope Swamp?

It is owned by the State Highway Agency.