US Bridges

US 221 NB over South Tyger River

Fair

Spartanburg County, South Carolina · 5.4 MI N of Woodruff · Structure no. 000000000000361

Built
1929
96 years old, rebuilt 1994
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
250 ft
1 main span
Daily traffic
5,050
2023 count
Owner
State
State Highway Agency

About this bridge

US 221 NB over South Tyger River is a concrete tee beam carrying US 221 NB over South Tyger River in Spartanburg County, South Carolina. It was built in 1929 and reconstructed in 1994, so it is 96 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 5,050 vehicles a day, roughly 9% of them trucks, projected to reach 9,191 by 2043. The structure is 250 ft (76.2 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 221 NB
CrossesSouth Tyger River
Location5.4 MI N of Woodruff
RouteU.S. Route 221
Coordinates34.81298, -82.0014
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating23.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadH 15
Structure length250 ft (76.2 m)
Longest span50 ft (15.2 m)
Deck width49 ft (14.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,050 (2023)
Projected traffic9,191 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-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 221 NB over South Tyger River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1994.

What condition is US 221 NB over South Tyger 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 February 2024.

How much traffic does US 221 NB over South Tyger River carry?

About 5,050 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 221 NB over South Tyger River?

The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 49 ft wide.

Who owns US 221 NB over South Tyger River?

It is owned by the State Highway Agency.