US Bridges

Sc 9 over Sandy River

Fair

Chester County, South Carolina · 2.4MI W of Chester · Structure no. 000000000000773

Built
1937
88 years old, rebuilt 1962
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
180 ft
4 main spans
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 9 over Sandy River is a concrete tee beam carrying Sc 9 over Sandy River in Chester County, South Carolina. It was built in 1937 and reconstructed in 1962, so it is 88 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 5 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 3,800 vehicles a day, roughly 15% of them trucks, projected to reach 6,612 by 2043. The structure is 180 ft (54.9 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSc 9
CrossesSandy River
Location2.4MI W of Chester
RouteState Highway 9
CountyChester County
StateSouth Carolina
Coordinates34.70696, -81.25689
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length180 ft (54.9 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic6,612 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 9 over Sandy River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1962.

What condition is Sc 9 over Sandy 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 9 over Sandy River carry?

About 3,800 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Sc 9 over Sandy River?

The structure is 180 ft (54.9 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Sc 9 over Sandy River?

It is owned by the State Highway Agency.