US Bridges

Sc 66 over Bush River

Fair

Laurens County, South Carolina · 12.5 MI SE of Laurens · Structure no. 000000000004349

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
90 ft
3 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 66 over Bush River is a concrete slab carrying Sc 66 over Bush River in Laurens County, South Carolina. It was built in 1964, so it is 61 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,300 vehicles a day, roughly 20% of them trucks, projected to reach 1,833 by 2043. The structure is 90 ft (27.4 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSc 66
CrossesBush River
Location12.5 MI SE of Laurens
RouteState Highway 66
CountyLaurens County
StateSouth Carolina
Coordinates34.40782, -81.82642
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span30 ft (9.1 m)
Deck width50 ft (15.2 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,833 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 66 over Bush River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Sc 66 over Bush River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Sc 66 over Bush River carry?

About 1,300 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Sc 66 over Bush River?

The structure is 90 ft (27.4 m) long with a longest span of 30 ft (9.1 m) and a deck 50 ft wide.

Who owns Sc 66 over Bush River?

It is owned by the State Highway Agency.