S-45-220 over Mc/Girts Swamp
GoodWilliamsburg County, South Carolina · 3.0 MI NW Salters · Structure no. 000000000005405
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 80 ft
- 2 main spans
- Daily traffic
- 125
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-45-220 over Mc/Girts Swamp is a prestressed concrete slab carrying S-45-220 over Mc/Girts Swamp in Williamsburg County, South Carolina. It was built in 2005, so it is 20 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 125 vehicles a day, roughly 4% of them trucks, projected to reach 174 by 2043. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-45-220 over Mc/Girts Swamp built?
It was built in 2005, making it 20 years old in 2025.
What condition is S-45-220 over Mc/Girts Swamp 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 August 2023.
How much traffic does S-45-220 over Mc/Girts Swamp carry?
About 125 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-45-220 over Mc/Girts Swamp?
The structure is 80 ft (24.4 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.
Who owns S-45-220 over Mc/Girts Swamp?
It is owned by the State Highway Agency.