US Bridges

US 221 over Simmons Branch

Fair

McCormick County, South Carolina · In Mccormick · Structure no. 000000000001254

Built
1942
83 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
49 ft
4 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 221 over Simmons Branch is a concrete culvert carrying US 221 over Simmons Branch in McCormick County, South Carolina. It was built in 1942, so it is 83 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 3,300 vehicles a day, roughly 14% of them trucks, projected to reach 5,247 by 2043. The structure is 49 ft (14.9 m) long and 64 ft wide.

CarriesUS 221
CrossesSimmons Branch
LocationIn Mccormick
RouteU.S. Route 221
Coordinates33.92043, -82.28463
Functional classRural 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span10 ft (3 m)
Deck width64 ft (19.5 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic5,247 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 221 over Simmons Branch built?

It was built in 1942, making it 83 years old in 2025.

What condition is US 221 over Simmons Branch 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 June 2024.

How much traffic does US 221 over Simmons Branch carry?

About 3,300 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 221 over Simmons Branch?

The structure is 49 ft (14.9 m) long with a longest span of 10 ft (3 m) and a deck 64 ft wide.

Who owns US 221 over Simmons Branch?

It is owned by the State Highway Agency.