S-45-33 over Mill Branch
PoorPosted for loadWilliamsburg County, South Carolina · 2.0 MI NW Hebron · Structure no. 000000000006201
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 1,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-33 over Mill Branch is a concrete slab carrying S-45-33 over Mill Branch in Williamsburg County, South Carolina. It was built in 1972, so it is 53 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 1,400 vehicles a day, roughly 4% of them trucks, projected to reach 2,044 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
No coordinates are recorded for this structure.
Condition 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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-45-33 over Mill Branch built?
It was built in 1972, making it 53 years old in 2025.
What condition is S-45-33 over Mill Branch 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 October 2024.
How much traffic does S-45-33 over Mill Branch carry?
About 1,400 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-45-33 over Mill Branch?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns S-45-33 over Mill Branch?
It is owned by the State Highway Agency.