US Highway 101 SB over San Antonio River & DR
GoodMonterey County, California · 05-MON-101-R6.66 · Structure no. 44 0141L
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected October 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 460 ft
- 7 main spans
- Daily traffic
- 8,100
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over San Antonio River & DR is a concrete continuous tee beam carrying US Highway 101 SB over San Antonio River & DR in Monterey County, California. It was built in 1965, so it is 60 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 8,100 vehicles a day, roughly 18% of them trucks, projected to reach 19,340 by 2043. The structure is 460 ft (140.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US Highway 101 SB over San Antonio River & DR built?
It was built in 1965, making it 60 years old in 2025.
What condition is US Highway 101 SB over San Antonio River & DR in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does US Highway 101 SB over San Antonio River & DR carry?
About 8,100 vehicles per day (2009 count), of which roughly 18% are trucks.
How long is US Highway 101 SB over San Antonio River & DR?
The structure is 460 ft (140.2 m) long with a longest span of 72 ft (22 m) and a deck 34 ft wide.
Who owns US Highway 101 SB over San Antonio River & DR?
It is owned by the State Highway Agency.