S-10-432/DOAR RD over Alligator Branch
GoodCharleston County, South Carolina · 9.8 MI SW Mcclellanville · Structure no. 000000000006435
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-10-432/DOAR RD over Alligator Branch is a concrete slab carrying S-10-432/DOAR RD over Alligator Branch in Charleston County, South Carolina. It was built in 1974, so it is 51 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 250 vehicles a day, roughly 10% of them trucks, projected to reach 348 by 2043. The structure is 30 ft (9.1 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-10-432/DOAR RD over Alligator Branch built?
It was built in 1974, making it 51 years old in 2025.
What condition is S-10-432/DOAR RD over Alligator Branch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.
How much traffic does S-10-432/DOAR RD over Alligator Branch carry?
About 250 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is S-10-432/DOAR RD over Alligator Branch?
The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.
Who owns S-10-432/DOAR RD over Alligator Branch?
It is owned by the State Highway Agency.