US Bridges

S-57/BEES Ferry RD over Bear Swamp

Good

Charleston County, South Carolina · 6.0 MI W Charleston · Structure no. 000000000005678

Built
2006
19 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
16,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-57/BEES Ferry RD over Bear Swamp is a concrete continuous slab carrying S-57/BEES Ferry RD over Bear Swamp in Charleston County, South Carolina. It was built in 2006, so it is 19 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 16,000 vehicles a day, roughly 3% of them trucks, projected to reach 19,520 by 2043. The structure is 60 ft (18.3 m) long and 78 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesS-57/BEES Ferry RD
CrossesBear Swamp
Location6.0 MI W Charleston
RouteState Highway 57
Coordinates32.80997, -80.10922
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width78 ft (23.7 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2023)
Projected traffic19,520 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-57/BEES Ferry RD over Bear Swamp built?

It was built in 2006, making it 19 years old in 2025.

What condition is S-57/BEES Ferry RD over Bear 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 July 2023.

How much traffic does S-57/BEES Ferry RD over Bear Swamp carry?

About 16,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-57/BEES Ferry RD over Bear Swamp?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 78 ft wide.

Who owns S-57/BEES Ferry RD over Bear Swamp?

It is owned by the State Highway Agency.