Thompson Mill Road over SR 419 (I-985 US 23)
GoodGwinnett County, Georgia · 1.3 MI E of Buford · Structure no. 000000013500290
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 234 ft
- 4 main spans
- Daily traffic
- 10,400
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Thompson Mill Road over SR 419 (I-985 US 23) is a steel stringer/multi-beam or girder carrying Thompson Mill Road over SR 419 (I-985 US 23) in Gwinnett County, Georgia. It was built in 1968, so it is 57 years old, older 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 10,400 vehicles a day, roughly 1% of them trucks, projected to reach 10,695 by 2032. The structure is 234 ft (71.3 m) long and 35 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thompson Mill Road over SR 419 (I-985 US 23) built?
It was built in 1968, making it 57 years old in 2025.
What condition is Thompson Mill Road over SR 419 (I-985 US 23) 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 October 2023.
How much traffic does Thompson Mill Road over SR 419 (I-985 US 23) carry?
About 10,400 vehicles per day (2024 count), of which roughly 1% are trucks.
How long is Thompson Mill Road over SR 419 (I-985 US 23)?
The structure is 234 ft (71.3 m) long with a longest span of 74 ft (22.6 m) and a deck 35 ft wide.
Who owns Thompson Mill Road over SR 419 (I-985 US 23)?
It is owned by the State Highway Agency.