State Route 12 over Sacramento River SR 84
PoorSolano County, California · 04-SOL-012-26.24-RVS · Structure no. 23 0024
- Built
- 1944
- 81 years old, rebuilt 1960
- Condition
- Poor
- inspected April 2024
- Type
- Movable - Lift
- Steel
- Length
- 2,890 ft
- 16 main spans
- Daily traffic
- 20,100
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 12 over Sacramento River SR 84 is a steel movable - lift carrying State Route 12 over Sacramento River SR 84 in Solano County, California. It was built in 1944 and reconstructed in 1960, so it is 81 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 20,100 vehicles a day, roughly 9% of them trucks, projected to reach 25,550 by 2044. The structure is 2,890 ft (880.9 m) long and 29 ft wide. If it were closed, the detour would be 93.2 mi (150 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 12 over Sacramento River SR 84 built?
It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1960.
What condition is State Route 12 over Sacramento River SR 84 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 April 2024.
How much traffic does State Route 12 over Sacramento River SR 84 carry?
About 20,100 vehicles per day (2009 count), of which roughly 9% are trucks.
How long is State Route 12 over Sacramento River SR 84?
The structure is 2,890 ft (880.9 m) long with a longest span of 306 ft (93.3 m) and a deck 29 ft wide.
Who owns State Route 12 over Sacramento River SR 84?
It is owned by the State Highway Agency.