State Route 1 NB over San Andreas Road
FairSanta Cruz County, California · 05-SCR-001-R7.67 · Structure no. 36 0094R
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 154 ft
- 1 main span
- Daily traffic
- 30,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 NB over San Andreas Road is a prestressed concrete box beam or girders - multiple carrying State Route 1 NB over San Andreas Road in Santa Cruz 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 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 30,000 vehicles a day, roughly 5% of them trucks, projected to reach 57,023 by 2045. The structure is 154 ft (47 m) long and 70 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 | 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 State Route 1 NB over San Andreas Road built?
It was built in 1974, making it 51 years old in 2025.
What condition is State Route 1 NB over San Andreas Road 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 November 2023.
How much traffic does State Route 1 NB over San Andreas Road carry?
About 30,000 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is State Route 1 NB over San Andreas Road?
The structure is 154 ft (47 m) long with a longest span of 154 ft (47 m) and a deck 70 ft wide.
Who owns State Route 1 NB over San Andreas Road?
It is owned by the State Highway Agency.