US Bridges

C-22-255 over Trib to Waccamaw River

Good

Georgetown County, South Carolina · 3 MI W Litchfield Beach · Structure no. 000000000009808

Built
1991
34 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
4,800
2023 count
Owner
County
County Highway Agency

About this bridge

C-22-255 over Trib to Waccamaw River is a concrete slab carrying C-22-255 over Trib to Waccamaw River in Georgetown County, South Carolina. It was built in 1991, so it is 34 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 4,800 vehicles a day, roughly 4% of them trucks, projected to reach 5,856 by 2043. The structure is 90 ft (27.4 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC-22-255
CrossesTrib to Waccamaw River
Location3 MI W Litchfield Beach
RouteCounty Highway 255
Coordinates33.48694, -79.12361
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span15 ft (4.6 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic5,856 by 2043
Trucks4%
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

OwnerCounty Highway Agency
Maintained byCounty 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 C-22-255 over Trib to Waccamaw River built?

It was built in 1991, making it 34 years old in 2025.

What condition is C-22-255 over Trib to Waccamaw River 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 C-22-255 over Trib to Waccamaw River carry?

About 4,800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is C-22-255 over Trib to Waccamaw River?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 38 ft wide.

Who owns C-22-255 over Trib to Waccamaw River?

It is owned by the County Highway Agency.