US Bridges

S-12-555 over Beaver Dam Creek

FairPosted for load

Chester County, South Carolina · 4.6MI SE Richburg · Structure no. 000000000004965

Built
1967
58 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
120 ft
8 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-555 over Beaver Dam Creek is a concrete slab carrying S-12-555 over Beaver Dam Creek in Chester County, South Carolina. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 120 ft (36.6 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesS-12-555
CrossesBeaver Dam Creek
Location4.6MI SE Richburg
RouteState Highway 555
Coordinates34.65833, -80.97667
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadH 10
Structure length120 ft (36.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 S-12-555 over Beaver Dam Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is S-12-555 over Beaver Dam Creek 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 February 2024.

How much traffic does S-12-555 over Beaver Dam Creek carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-12-555 over Beaver Dam Creek?

The structure is 120 ft (36.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-12-555 over Beaver Dam Creek?

It is owned by the State Highway Agency.