Diablo Ave over Novato Creek
FairMarin County, California · At Novato Blvd · Structure no. 27C0038
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 25,882
- 2009 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Diablo Ave over Novato Creek is a concrete slab carrying Diablo Ave over Novato Creek in Marin County, California. It was built in 1966, so it is 59 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 6 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 25,882 vehicles a day, roughly 15% of them trucks, projected to reach 31,565 by 2046. The structure is 32 ft (9.8 m) long and 98 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Diablo Ave over Novato Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Diablo Ave over Novato Creek 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 July 2024.
How much traffic does Diablo Ave over Novato Creek carry?
About 25,882 vehicles per day (2009 count), of which roughly 15% are trucks.
How long is Diablo Ave over Novato Creek?
The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 98 ft wide.
Who owns Diablo Ave over Novato Creek?
It is owned by the City or Municipal Highway Agency.