Great Heron Drive over Sky Hawk Creek
FairSonoma County, California · Intrsx W/ Mtn Hawk Way · Structure no. 20C0527
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected August 2024
- Type
- Arch - Deck
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 900
- 2010 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Great Heron Drive over Sky Hawk Creek is a concrete arch - deck carrying Great Heron Drive over Sky Hawk Creek in Sonoma County, California. It was built in 1995, so it is 30 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 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 900 vehicles a day, roughly 2% of them trucks, projected to reach 1,924 by 2046. The structure is 33 ft (10 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 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 |
|---|---|---|
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Great Heron Drive over Sky Hawk Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Great Heron Drive over Sky Hawk 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 August 2024.
How much traffic does Great Heron Drive over Sky Hawk Creek carry?
About 900 vehicles per day (2010 count), of which roughly 2% are trucks.
How long is Great Heron Drive over Sky Hawk Creek?
The structure is 33 ft (10 m) long with a longest span of 33 ft (10 m) and a deck 44 ft wide.
Who owns Great Heron Drive over Sky Hawk Creek?
It is owned by the City or Municipal Highway Agency.