US Bridges

S-22-52 over Black River Swamp

Good

Georgetown County, South Carolina · 8 MI N of Georgetown · Structure no. 000000000010793

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
200
2023 count
Owner
State
State Highway Agency

About this bridge

S-22-52 over Black River Swamp is a concrete slab carrying S-22-52 over Black River Swamp in Georgetown County, South Carolina. It was built in 2022, so it is 3 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 200 vehicles a day, roughly 6% of them trucks, projected to reach 50 by 2043. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-22-52
CrossesBlack River Swamp
Location8 MI N of Georgetown
RouteState Highway 52
Coordinates33.46939, -79.22058
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic50 by 2043
Trucks6%
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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$53,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-22-52 over Black River Swamp built?

It was built in 2022, making it 3 years old in 2025.

What condition is S-22-52 over Black River 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-22-52 over Black River Swamp carry?

About 200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-22-52 over Black River Swamp?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns S-22-52 over Black River Swamp?

It is owned by the State Highway Agency.