County Road 99W over Bird Creek
GoodYolo County, California · 0.65 MI SE of CR 8 · Structure no. 22C0048
- Built
- 1919
- 106 years old, rebuilt 1949
- Condition
- Good
- inspected January 2025
- Type
- Tee Beam
- Concrete
- Length
- 39 ft
- 1 main span
- Daily traffic
- 1,196
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 99W over Bird Creek is a concrete tee beam carrying County Road 99W over Bird Creek in Yolo County, California. It was built in 1919 and reconstructed in 1949, so it is 106 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 1,196 vehicles a day, roughly 35% of them trucks, projected to reach 1,439 by 2047. The structure is 39 ft (11.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 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 County Road 99W over Bird Creek built?
It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1949.
What condition is County Road 99W over Bird 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 January 2025.
How much traffic does County Road 99W over Bird Creek carry?
About 1,196 vehicles per day (2015 count), of which roughly 35% are trucks.
How long is County Road 99W over Bird Creek?
The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 44 ft wide.
Who owns County Road 99W over Bird Creek?
It is owned by the County Highway Agency.