Interstate 505 over Gibson Canyon Creek
FairSolano County, California · 04-SOL-505-R2.70-VAC · Structure no. 23 0028
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 33,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 505 over Gibson Canyon Creek is a concrete continuous culvert carrying Interstate 505 over Gibson Canyon Creek in Solano County, California. It was built in 1974, so it is 51 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 33,500 vehicles a day, roughly 10% of them trucks, projected to reach 51,240 by 2046. The structure is 29 ft (8.9 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 505 over Gibson Canyon Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is Interstate 505 over Gibson Canyon 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 April 2024.
How much traffic does Interstate 505 over Gibson Canyon Creek carry?
About 33,500 vehicles per day (2009 count), of which roughly 10% are trucks.
How long is Interstate 505 over Gibson Canyon Creek?
The structure is 29 ft (8.9 m) long with a longest span of 13 ft (4.1 m).
Who owns Interstate 505 over Gibson Canyon Creek?
It is owned by the State Highway Agency.