US Bridges

S-8-62 over Ancrum Swamp

Fair

Berkeley County, South Carolina · 3 MI W Goose Creek · Structure no. 000000000002479

Built
2004
21 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
120 ft
4 main spans
Daily traffic
39,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-8-62 over Ancrum Swamp is a concrete continuous slab carrying S-8-62 over Ancrum Swamp in Berkeley County, South Carolina. It was built in 2004, so it is 21 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 39,100 vehicles a day, roughly 3% of them trucks, projected to reach 54,349 by 2043. The structure is 120 ft (36.6 m) long and 87 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesS-8-62
CrossesAncrum Swamp
Location3 MI W Goose Creek
RouteState Highway 62
CountyBerkeley County
StateSouth Carolina
Coordinates33.00188, -80.09001
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width87 ft (26.5 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,100 (2023)
Projected traffic54,349 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 S-8-62 over Ancrum Swamp built?

It was built in 2004, making it 21 years old in 2025.

What condition is S-8-62 over Ancrum Swamp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.

How much traffic does S-8-62 over Ancrum Swamp carry?

About 39,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-8-62 over Ancrum Swamp?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 87 ft wide.

Who owns S-8-62 over Ancrum Swamp?

It is owned by the State Highway Agency.