US Bridges

Sc 512 over Paisley Swamp (no. 1)

Good

Williamsburg County, South Carolina · 7 MI W of Stuckey · Structure no. 000000000007182

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
750
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 512 over Paisley Swamp (no. 1) is a prestressed concrete slab carrying Sc 512 over Paisley Swamp (no. 1) in Williamsburg County, South Carolina. It was built in 2016, so it is 9 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 750 vehicles a day, roughly 16% of them trucks, projected to reach 1,095 by 2043. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSc 512
CrossesPaisley Swamp (no. 1)
Location7 MI W of Stuckey
RouteState Highway 512
CountyWilliamsburg County
StateSouth Carolina
Coordinates33.74984, -79.63265
Functional classRural Major 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 inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic1,095 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sc 512 over Paisley Swamp (no. 1) built?

It was built in 2016, making it 9 years old in 2025.

What condition is Sc 512 over Paisley Swamp (no. 1) 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 October 2024.

How much traffic does Sc 512 over Paisley Swamp (no. 1) carry?

About 750 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Sc 512 over Paisley Swamp (no. 1)?

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 Sc 512 over Paisley Swamp (no. 1)?

It is owned by the State Highway Agency.