US Bridges

US 321 over Beaverdam Creek

Fair

York County, South Carolina · City of Bowling Green · Structure no. 000000000000618

Built
1932
93 years old, rebuilt 1965
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
11,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 321 over Beaverdam Creek is a concrete culvert carrying US 321 over Beaverdam Creek in York County, South Carolina. It was built in 1932 and reconstructed in 1965, so it is 93 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 11,500 vehicles a day, roughly 8% of them trucks, projected to reach 16,215 by 2043. The structure is 32 ft (9.8 m) long and 140 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 321
CrossesBeaverdam Creek
LocationCity of Bowling Green
RouteU.S. Route 321
Coordinates35.14274, -81.21403
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width140 ft (42.7 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2023)
Projected traffic16,215 by 2043
Trucks8%
Lanes on structure4
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 US 321 over Beaverdam Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1965.

What condition is US 321 over Beaverdam 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 March 2024.

How much traffic does US 321 over Beaverdam Creek carry?

About 11,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 321 over Beaverdam Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 140 ft wide.

Who owns US 321 over Beaverdam Creek?

It is owned by the State Highway Agency.