US Bridges

S-42-50 over South Tyger River

Fair

Spartanburg County, South Carolina · 6.4 MI NE Woodruff · Structure no. 000000000005855

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
330 ft
10 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-50 over South Tyger River is a concrete tee beam carrying S-42-50 over South Tyger River in Spartanburg County, South Carolina. It was built in 1970, so it is 55 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 1,400 vehicles a day, roughly 10% of them trucks, projected to reach 2,044 by 2043. The structure is 330 ft (100.6 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesS-42-50
CrossesSouth Tyger River
Location6.4 MI NE Woodruff
RouteState Highway 50
Coordinates34.75528, -81.92722
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length330 ft (100.6 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic2,044 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-42-50 over South Tyger River built?

It was built in 1970, making it 55 years old in 2025.

What condition is S-42-50 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 September 2023.

How much traffic does S-42-50 over South Tyger River carry?

About 1,400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-42-50 over South Tyger River?

The structure is 330 ft (100.6 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns S-42-50 over South Tyger River?

It is owned by the State Highway Agency.