US Bridges

Sc 56 over Tyger River

Poor

Spartanburg County, South Carolina · 12.0 MI SE Woodruff · Structure no. 000000000000455

Built
1930
95 years old
Condition
Poor
inspected January 2025
Type
Tee Beam
Concrete
Length
375 ft
10 main spans
Daily traffic
1,250
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 56 over Tyger River is a concrete tee beam carrying Sc 56 over Tyger River in Spartanburg County, South Carolina. It was built in 1930, so it is 95 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,250 vehicles a day, roughly 9% of them trucks, projected to reach 1,988 by 2043. The structure is 375 ft (114.3 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 56
CrossesTyger River
Location12.0 MI SE Woodruff
RouteState Highway 56
Coordinates34.69297, -81.83155
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length375 ft (114.3 m)
Longest span50 ft (15.2 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2023)
Projected traffic1,988 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 56 over Tyger River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Sc 56 over Tyger River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does Sc 56 over Tyger River carry?

About 1,250 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Sc 56 over Tyger River?

The structure is 375 ft (114.3 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.

Who owns Sc 56 over Tyger River?

It is owned by the State Highway Agency.