Byrnes RD over Ulatis Creek
FairSolano County, California · 0.5 MI N Hawkins RD · Structure no. 23C0166
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 82 ft
- 3 main spans
- Daily traffic
- 655
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Byrnes RD over Ulatis Creek is a concrete continuous slab carrying Byrnes RD over Ulatis Creek in Solano County, California. It was built in 1964, so it is 61 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 655 vehicles a day, roughly 5% of them trucks, projected to reach 886 by 2046. The structure is 82 ft (25 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Byrnes RD over Ulatis Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is Byrnes RD over Ulatis 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 October 2024.
How much traffic does Byrnes RD over Ulatis Creek carry?
About 655 vehicles per day (2011 count), of which roughly 5% are trucks.
How long is Byrnes RD over Ulatis Creek?
The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.
Who owns Byrnes RD over Ulatis Creek?
It is owned by the County Highway Agency.