US Bridges

S-338/INGLENOOK RD over Boggy Swamp Br

Good

Williamsburg County, South Carolina · 4 MI NE of Kingstree · Structure no. 000000000010690

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
275
2023 count
Owner
State
State Highway Agency

About this bridge

S-338/INGLENOOK RD over Boggy Swamp Br is a prestressed concrete slab carrying S-338/INGLENOOK RD over Boggy Swamp Br in Williamsburg County, South Carolina. It was built in 2021, so it is 4 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 275 vehicles a day, roughly 5% of them trucks, projected to reach 352 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS-338/INGLENOOK RD
CrossesBoggy Swamp Br
Location4 MI NE of Kingstree
RouteState Highway 338
Coordinates33.69192, -79.73937
Functional classRural Local

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating61.1 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2023)
Projected traffic352 by 2043
Trucks5%
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 S-338/INGLENOOK RD over Boggy Swamp Br built?

It was built in 2021, making it 4 years old in 2025.

What condition is S-338/INGLENOOK RD over Boggy Swamp Br 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 2023.

How much traffic does S-338/INGLENOOK RD over Boggy Swamp Br carry?

About 275 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-338/INGLENOOK RD over Boggy Swamp Br?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns S-338/INGLENOOK RD over Boggy Swamp Br?

It is owned by the State Highway Agency.