State Route 46 over Branch Green Valley Crk
FairSan Luis Obispo County, California · 05-SLO-046-R2.32 · Structure no. 49 0207
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected September 2022
- Type
- Tee Beam
- Concrete Continuous
- Length
- 110 ft
- 3 main spans
- Daily traffic
- 3,700
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 46 over Branch Green Valley Crk is a concrete continuous tee beam carrying State Route 46 over Branch Green Valley Crk in San Luis Obispo County, California. It was built in 1974, so it is 51 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 3,700 vehicles a day, roughly 4% of them trucks, projected to reach 3,589 by 2042. The structure is 110 ft (33.5 m) long and 42 ft wide. If it were closed, the detour would be 26.7 mi (43 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 | 7 Good | Some minor problems. |
| 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 46 over Branch Green Valley Crk built?
It was built in 1974, making it 51 years old in 2025.
What condition is State Route 46 over Branch Green Valley Crk 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 2022.
How much traffic does State Route 46 over Branch Green Valley Crk carry?
About 3,700 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is State Route 46 over Branch Green Valley Crk?
The structure is 110 ft (33.5 m) long with a longest span of 44 ft (13.4 m) and a deck 42 ft wide.
Who owns State Route 46 over Branch Green Valley Crk?
It is owned by the State Highway Agency.