Diablo Blvd over Warner Creek
GoodMarin County, California · 0.1 MI SW of Novato Blvd · Structure no. 27C0088
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete
- Length
- 31 ft
- 1 main span
- Daily traffic
- 7,723
- 2011 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Diablo Blvd over Warner Creek is a concrete slab carrying Diablo Blvd over Warner Creek in Marin County, California. It was built in 1970, so it is 55 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 7,723 vehicles a day, roughly 10% of them trucks, projected to reach 24,800 by 2046. The structure is 31 ft (9.4 m) long and 52 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Diablo Blvd over Warner Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is Diablo Blvd over Warner Creek 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 2024.
How much traffic does Diablo Blvd over Warner Creek carry?
About 7,723 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is Diablo Blvd over Warner Creek?
The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 52 ft wide.
Who owns Diablo Blvd over Warner Creek?
It is owned by the City or Municipal Highway Agency.