Buchanan RD (1N01) over North Fk Tuolumne River
GoodTuolumne County, California · Fish Hatchery RD (1N04) · Structure no. 32C0086
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 172 ft
- 3 main spans
- Daily traffic
- 630
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Buchanan RD (1N01) over North Fk Tuolumne River is a prestressed concrete continuous stringer/multi-beam or girder carrying Buchanan RD (1N01) over North Fk Tuolumne River in Tuolumne County, California. It was built in 2017, so it is 8 years old, younger than the California average of 54.8 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 630 vehicles a day, roughly 5% of them trucks, projected to reach 900 by 2042. The structure is 172 ft (52.5 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Buchanan RD (1N01) over North Fk Tuolumne River built?
It was built in 2017, making it 8 years old in 2025.
What condition is Buchanan RD (1N01) over North Fk Tuolumne River 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 2023.
How much traffic does Buchanan RD (1N01) over North Fk Tuolumne River carry?
About 630 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Buchanan RD (1N01) over North Fk Tuolumne River?
The structure is 172 ft (52.5 m) long with a longest span of 70 ft (21.3 m) and a deck 35 ft wide.
Who owns Buchanan RD (1N01) over North Fk Tuolumne River?
It is owned by the County Highway Agency.