US Bridges

S-12-822 over Unnamed Stream

Good

Chester County, South Carolina · E C/L Chester_belt Rd. · Structure no. 000000000007549

Built
1982
43 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-822 over Unnamed Stream is a concrete slab carrying S-12-822 over Unnamed Stream in Chester County, South Carolina. It was built in 1982, so it is 43 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 704 by 2043. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-12-822
CrossesUnnamed Stream
LocationE C/L Chester_belt Rd.
RouteState Highway 822
Coordinates34.69785, -81.18683
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic704 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-12-822 over Unnamed Stream built?

It was built in 1982, making it 43 years old in 2025.

What condition is S-12-822 over Unnamed Stream 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 December 2024.

How much traffic does S-12-822 over Unnamed Stream carry?

About 550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-12-822 over Unnamed Stream?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns S-12-822 over Unnamed Stream?

It is owned by the State Highway Agency.