S-3-66 over Lower Three Run Creek
PoorClosed to trafficAllendale County, South Carolina · 3MI W Martin · Structure no. 000000000001670
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 98 ft
- 7 main spans
- Daily traffic
- 125
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-3-66 over Lower Three Run Creek is a concrete slab carrying S-3-66 over Lower Three Run Creek in Allendale County, South Carolina. It was built in 1950, so it is 75 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 3 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: closed to all traffic.
It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 98 ft (29.9 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-3-66 over Lower Three Run Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is S-3-66 over Lower Three Run Creek 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 May 2024.
How much traffic does S-3-66 over Lower Three Run Creek carry?
About 125 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-3-66 over Lower Three Run Creek?
The structure is 98 ft (29.9 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.
Who owns S-3-66 over Lower Three Run Creek?
It is owned by the State Highway Agency.