US Bridges

Sc 165 over RR NS & S-10-65

Good

Dorchester County, South Carolina · Town of Summerville · Structure no. 000000000009316

Built
1998
27 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
825 ft
12 main spans
Daily traffic
34,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 165 over RR NS & S-10-65 is a prestressed concrete stringer/multi-beam or girder carrying Sc 165 over RR NS & S-10-65 in Dorchester County, South Carolina. It was built in 1998, so it is 27 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 34,500 vehicles a day, roughly 3% of them trucks, projected to reach 42,090 by 2043. The structure is 825 ft (251.5 m) long and 86 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 165
CrossesRR NS & S-10-65
LocationTown of Summerville
RouteState Highway 165
Coordinates33.01672, -80.17017
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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length825 ft (251.5 m)
Longest span72 ft (21.9 m)
Deck width86 ft (26.2 m)
Roadway width83 ft (25.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,500 (2023)
Projected traffic42,090 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 165 over RR NS & S-10-65 built?

It was built in 1998, making it 27 years old in 2025.

What condition is Sc 165 over RR NS & S-10-65 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 April 2024.

How much traffic does Sc 165 over RR NS & S-10-65 carry?

About 34,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Sc 165 over RR NS & S-10-65?

The structure is 825 ft (251.5 m) long with a longest span of 72 ft (21.9 m) and a deck 86 ft wide.

Who owns Sc 165 over RR NS & S-10-65?

It is owned by the State Highway Agency.