US Bridges

S-42-242 over South Tyger River

PoorPosted for load

Spartanburg County, South Carolina · 2.0 MI S Lyman · Structure no. 000000000002261

Built
1955
70 years old
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
270 ft
9 main spans
Daily traffic
5,600
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-242 over South Tyger River is a concrete tee beam carrying S-42-242 over South Tyger River in Spartanburg County, South Carolina. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 5,600 vehicles a day, roughly 7% of them trucks, projected to reach 8,400 by 2043. The structure is 270 ft (82.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-42-242
CrossesSouth Tyger River
Location2.0 MI S Lyman
RouteState Highway 242
Coordinates34.92106, -82.13017
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.4 US tons
Inventory rating12.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 15
Structure length270 ft (82.3 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,600 (2023)
Projected traffic8,400 by 2043
Trucks7%
Lanes on structure2
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-42-242 over South Tyger River built?

It was built in 1955, making it 70 years old in 2025.

What condition is S-42-242 over South 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 August 2024.

How much traffic does S-42-242 over South Tyger River carry?

About 5,600 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-42-242 over South Tyger River?

The structure is 270 ft (82.3 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns S-42-242 over South Tyger River?

It is owned by the State Highway Agency.