US Bridges

Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2

Good

Charleston County, South Carolina · 2.4 MI NW of Ravenel · Structure no. 000000000010268

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
6,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2 is a concrete continuous slab carrying Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2 in Charleston County, South Carolina. It was built in 2019, so it is 6 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 6,300 vehicles a day, roughly 12% of them trucks, projected to reach 10,017 by 2043. The structure is 90 ft (27.4 m) long and 47 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesSc 165/HIGHWAY165
CrossesCaw Caw SWAMP-NO.2
Location2.4 MI NW of Ravenel
RouteState Highway 165
Coordinates32.79811, -80.26799
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2023)
Projected traffic10,017 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$176,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2 built?

It was built in 2019, making it 6 years old in 2025.

What condition is Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2 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 June 2024.

How much traffic does Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2 carry?

About 6,300 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 165/HIGHWAY165 over Caw Caw SWAMP-NO.2?

It is owned by the State Highway Agency.