SR 21 Sbl over Saint Augustine Creek
GoodChatham County, Georgia · In Port Wentworth City L · Structure no. 000000005100330
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected July 2024
- Type
- Tee Beam
- Concrete
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 3,050
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SR 21 Sbl over Saint Augustine Creek is a concrete tee beam carrying SR 21 Sbl over Saint Augustine Creek in Chatham County, Georgia. It was built in 1980, so it is 45 years old, younger than the Georgia average of 47.5 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 3,050 vehicles a day, roughly 1% of them trucks, projected to reach 37,980 by 2031. The structure is 120 ft (36.6 m) long and 44 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 21 Sbl over Saint Augustine Creek built?
It was built in 1980, making it 45 years old in 2025.
What condition is SR 21 Sbl over Saint Augustine Creek 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 July 2024.
How much traffic does SR 21 Sbl over Saint Augustine Creek carry?
About 3,050 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is SR 21 Sbl over Saint Augustine Creek?
The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.
Who owns SR 21 Sbl over Saint Augustine Creek?
It is owned by the State Highway Agency.