US Highway 101 SB over Mission Street
FairSanta Barbara County, California · 05-SB-101-R15.73-SB · Structure no. 51 0210L
- Built
- 1963
- 62 years old, rebuilt 1989
- Condition
- Fair
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 129 ft
- 1 main span
- Daily traffic
- 60,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
US Highway 101 SB over Mission Street is a concrete box beam or girders - multiple carrying US Highway 101 SB over Mission Street in Santa Barbara County, California. It was built in 1963 and reconstructed in 1989, so it is 62 years old, older 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 60,000 vehicles a day, roughly 7% of them trucks, projected to reach 69,442 by 2043. The structure is 129 ft (39.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 US Highway 101 SB over Mission Street built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1989.
What condition is US Highway 101 SB over Mission Street 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 February 2025.
How much traffic does US Highway 101 SB over Mission Street carry?
About 60,000 vehicles per day (2009 count), of which roughly 7% are trucks.
How long is US Highway 101 SB over Mission Street?
The structure is 129 ft (39.2 m) long with a longest span of 72 ft (21.8 m) and a deck 55 ft wide.
Who owns US Highway 101 SB over Mission Street?
It is owned by the State Highway Agency.