State Route 41 over Mcmillan Canyon Creek
FairSan Luis Obispo County, California · 05-SLO-041-R41.96 · Structure no. 49 0265
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete
- Length
- 47 ft
- 1 main span
- Daily traffic
- 2,086
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 41 over Mcmillan Canyon Creek is a concrete slab carrying State Route 41 over Mcmillan Canyon Creek in San Luis Obispo County, California. It was built in 1996, so it is 29 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 5 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 2,086 vehicles a day, roughly 2% of them trucks, projected to reach 4,019 by 2042. The structure is 47 ft (14.2 m) long and 32 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 41 over Mcmillan Canyon Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is State Route 41 over Mcmillan Canyon 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 September 2024.
How much traffic does State Route 41 over Mcmillan Canyon Creek carry?
About 2,086 vehicles per day (2018 count), of which roughly 2% are trucks.
How long is State Route 41 over Mcmillan Canyon Creek?
The structure is 47 ft (14.2 m) long with a longest span of 47 ft (14.2 m) and a deck 32 ft wide.
Who owns State Route 41 over Mcmillan Canyon Creek?
It is owned by the State Highway Agency.