U.S. Route 101 SB over Smart Railroad Tracks
FairSonoma County, California · 04-SON-101-5.73-PET · Structure no. 20 0300L
- Built
- 2022
- 3 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 352 ft
- 3 main spans
- Daily traffic
- 51,500
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
U.S. Route 101 SB over Smart Railroad Tracks is a prestressed concrete box beam or girders - multiple carrying U.S. Route 101 SB over Smart Railroad Tracks in Sonoma County, California. It was built in 2022, so it is 3 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 51,500 vehicles a day, roughly 6% of them trucks, projected to reach 67,000 by 2042. The structure is 352 ft (107.2 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was U.S. Route 101 SB over Smart Railroad Tracks built?
It was built in 2022, making it 3 years old in 2025.
What condition is U.S. Route 101 SB over Smart Railroad Tracks 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 March 2024.
How much traffic does U.S. Route 101 SB over Smart Railroad Tracks carry?
About 51,500 vehicles per day (2019 count), of which roughly 6% are trucks.
How long is U.S. Route 101 SB over Smart Railroad Tracks?
The structure is 352 ft (107.2 m) long with a longest span of 135 ft (41.1 m) and a deck 59 ft wide.
Who owns U.S. Route 101 SB over Smart Railroad Tracks?
It is owned by the State Highway Agency.