US Bridges

S-8-535/ROYLE RD over Ancrun Swamp

Good

Berkeley County, South Carolina · 12.6 MI SW Moncks Corner · Structure no. 000000000004049

Built
2003
22 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
8,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-8-535/ROYLE RD over Ancrun Swamp is a prestressed concrete box beam or girders - multiple carrying S-8-535/ROYLE RD over Ancrun Swamp in Berkeley County, South Carolina. It was built in 2003, so it is 22 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 8,500 vehicles a day, roughly 3% of them trucks, projected to reach 11,645 by 2043. The structure is 50 ft (15.2 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-8-535/ROYLE RD
CrossesAncrun Swamp
Location12.6 MI SW Moncks Corner
RouteState Highway 535
Coordinates33.03337, -80.10992
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2023)
Projected traffic11,645 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-8-535/ROYLE RD over Ancrun Swamp built?

It was built in 2003, making it 22 years old in 2025.

What condition is S-8-535/ROYLE RD over Ancrun 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 December 2024.

How much traffic does S-8-535/ROYLE RD over Ancrun Swamp carry?

About 8,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-8-535/ROYLE RD over Ancrun Swamp?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 48 ft wide.

Who owns S-8-535/ROYLE RD over Ancrun Swamp?

It is owned by the State Highway Agency.