Interstate 80 over Alamo Creek
PoorSolano County, California · 04-SOL-080-R25.03-VAC · Structure no. 23 0010
- Built
- 1936
- 89 years old, rebuilt 2013
- Condition
- Poor
- inspected February 2025
- Type
- Slab
- Concrete Continuous
- Length
- 75 ft
- 3 main spans
- Daily traffic
- 147,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over Alamo Creek is a concrete continuous slab carrying Interstate 80 over Alamo Creek in Solano County, California. It was built in 1936 and reconstructed in 2013, so it is 89 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 147,000 vehicles a day, roughly 8% of them trucks, projected to reach 246,055 by 2043. The structure is 75 ft (22.9 m) long and 160 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Interstate 80 over Alamo Creek built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2013.
What condition is Interstate 80 over Alamo Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.
How much traffic does Interstate 80 over Alamo Creek carry?
About 147,000 vehicles per day (2009 count), of which roughly 8% are trucks.
How long is Interstate 80 over Alamo Creek?
The structure is 75 ft (22.9 m) long with a longest span of 30 ft (9.1 m) and a deck 160 ft wide.
Who owns Interstate 80 over Alamo Creek?
It is owned by the State Highway Agency.