State Route 1 NB over Iris Canyon Road
GoodMonterey County, California · 05-MON-001-R76.47-MON · Structure no. 44 0192R
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 124 ft
- 2 main spans
- Daily traffic
- 28,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 1 NB over Iris Canyon Road is a concrete continuous box beam or girders - multiple carrying State Route 1 NB over Iris Canyon Road in Monterey 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 28,000 vehicles a day, roughly 3% of them trucks, projected to reach 35,107 by 2043. The structure is 124 ft (37.8 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 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 Iris Canyon Road built?
It was built in 1968, making it 57 years old in 2025.
What condition is State Route 1 NB over Iris Canyon 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 July 2023.
How much traffic does State Route 1 NB over Iris Canyon Road carry?
About 28,000 vehicles per day (2009 count), of which roughly 3% are trucks.
How long is State Route 1 NB over Iris Canyon Road?
The structure is 124 ft (37.8 m) long with a longest span of 62 ft (18.9 m) and a deck 39 ft wide.
Who owns State Route 1 NB over Iris Canyon Road?
It is owned by the State Highway Agency.