IRR Mina RD over North Fork Eel River
FairMendocino County, California · 4.2 MI S Trinity CO Line · Structure no. 10C0060
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 340 ft
- 2 main spans
- Daily traffic
- 143
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
IRR Mina RD over North Fork Eel River is a steel stringer/multi-beam or girder carrying IRR Mina RD over North Fork Eel River in Mendocino County, California. It was built in 1967, so it is 58 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 143 vehicles a day, roughly 4% of them trucks, projected to reach 162 by 2044. The structure is 340 ft (103.6 m) long and 23 ft wide. If it were closed, the detour would be 95.1 mi (153 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR Mina RD over North Fork Eel River built?
It was built in 1967, making it 58 years old in 2025.
What condition is IRR Mina RD over North Fork Eel River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does IRR Mina RD over North Fork Eel River carry?
About 143 vehicles per day (2011 count), of which roughly 4% are trucks.
How long is IRR Mina RD over North Fork Eel River?
The structure is 340 ft (103.6 m) long with a longest span of 105 ft (32 m) and a deck 23 ft wide.
Who owns IRR Mina RD over North Fork Eel River?
It is owned by the County Highway Agency.