US Bridges

Sc 527 over Broad Swamp

Good

Williamsburg County, South Carolina · Town of Kingstree · Structure no. 000000000008935

Built
1995
30 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
240 ft
8 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 527 over Broad Swamp is a concrete continuous slab carrying Sc 527 over Broad Swamp in Williamsburg 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 3,800 vehicles a day, roughly 17% of them trucks, projected to reach 5,358 by 2043. The structure is 240 ft (73.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 527
CrossesBroad Swamp
LocationTown of Kingstree
RouteState Highway 527
Coordinates33.67584, -79.84536
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length240 ft (73.2 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic5,358 by 2043
Trucks17%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 527 over Broad Swamp built?

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

What condition is Sc 527 over Broad 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 November 2024.

How much traffic does Sc 527 over Broad Swamp carry?

About 3,800 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Sc 527 over Broad Swamp?

The structure is 240 ft (73.2 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 527 over Broad Swamp?

It is owned by the State Highway Agency.