IRR East Lane over Mill Creek
FairMendocino County, California · 1.0 MI E of SR 162 · Structure no. 10C0128
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 183 ft
- 6 main spans
- Daily traffic
- 889
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
IRR East Lane over Mill Creek is a concrete continuous slab carrying IRR East Lane over Mill Creek in Mendocino County, California. It was built in 1989, so it is 36 years old, younger 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 889 vehicles a day, roughly 1% of them trucks, projected to reach 1,109 by 2046. The structure is 183 ft (55.8 m) long and 33 ft wide. If it were closed, the detour would be 13 mi (21 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR East Lane over Mill Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is IRR East Lane over Mill Creek 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 East Lane over Mill Creek carry?
About 889 vehicles per day (2011 count), of which roughly 1% are trucks.
How long is IRR East Lane over Mill Creek?
The structure is 183 ft (55.8 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.
Who owns IRR East Lane over Mill Creek?
It is owned by the County Highway Agency.