S-42-77 over Middle Tyger River
PoorPosted for loadSpartanburg County, South Carolina · Town of Duncan · Structure no. 000000000007028
- Built
- 1977
- 48 years old
- Condition
- Poor
- inspected August 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 2,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-42-77 over Middle Tyger River is a prestressed concrete channel beam carrying S-42-77 over Middle Tyger River in Spartanburg County, South Carolina. It was built in 1977, so it is 48 years old, younger 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 2,800 vehicles a day, roughly 6% of them trucks, projected to reach 4,200 by 2043. The structure is 120 ft (36.6 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
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.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-42-77 over Middle Tyger River built?
It was built in 1977, making it 48 years old in 2025.
What condition is S-42-77 over Middle 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-42-77 over Middle Tyger River carry?
About 2,800 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is S-42-77 over Middle Tyger River?
The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.
Who owns S-42-77 over Middle Tyger River?
It is owned by the State Highway Agency.