State Route 1 NB over Constellation Road
GoodSanta Barbara County, California · 05-SB-001-R25.07 · Structure no. 51 0236R
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 9,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 NB over Constellation Road is a concrete continuous box beam or girders - multiple carrying State Route 1 NB over Constellation Road in Santa Barbara County, California. It was built in 1968, so it is 57 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 9,000 vehicles a day, roughly 5% of them trucks, projected to reach 19,860 by 2045. The structure is 154 ft (47 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 1 NB over Constellation Road built?
It was built in 1968, making it 57 years old in 2025.
What condition is State Route 1 NB over Constellation Road 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 May 2023.
How much traffic does State Route 1 NB over Constellation Road carry?
About 9,000 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is State Route 1 NB over Constellation Road?
The structure is 154 ft (47 m) long with a longest span of 84 ft (25.6 m) and a deck 40 ft wide.
Who owns State Route 1 NB over Constellation Road?
It is owned by the State Highway Agency.