US Bridges

Sc 165 over Ashley River

Good

Dorchester County, South Carolina · 4.3MI SW Sumrvl · Structure no. 000000000006281

Built
2016
9 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
210 ft
1 main span
Daily traffic
28,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 165 over Ashley River is a prestressed concrete stringer/multi-beam or girder carrying Sc 165 over Ashley River in Dorchester County, South Carolina. It was built in 2016, so it is 9 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 28,700 vehicles a day, roughly 5% of them trucks, projected to reach 35,014 by 2043. The structure is 210 ft (64 m) long and 87 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesSc 165
CrossesAshley River
Location4.3MI SW Sumrvl
RouteState Highway 165
Coordinates32.95844, -80.20098
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length210 ft (64 m)
Longest span100 ft (30.5 m)
Deck width87 ft (26.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,700 (2023)
Projected traffic35,014 by 2043
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Sc 165 over Ashley River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Sc 165 over Ashley 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 May 2024.

How much traffic does Sc 165 over Ashley River carry?

About 28,700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sc 165 over Ashley River?

The structure is 210 ft (64 m) long with a longest span of 100 ft (30.5 m) and a deck 87 ft wide.

Who owns Sc 165 over Ashley River?

It is owned by the State Highway Agency.