State Route 84 over Miner Slough
PoorPosted for loadSolano County, California · 04-SOL-084-12.09 · Structure no. 23 0035
- Built
- 1933
- 92 years old, rebuilt 1953
- Condition
- Poor
- inspected April 2024
- Type
- Movable - Swing
- Steel
- Length
- 367 ft
- 2 main spans
- Daily traffic
- 288
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 84 over Miner Slough is a steel movable - swing carrying State Route 84 over Miner Slough in Solano County, California. It was built in 1933 and reconstructed in 1953, so it is 92 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. Its operating status is: posted for other load-capacity restriction.
It carries about 288 vehicles a day, projected to reach 771 by 2044. The structure is 367 ft (111.9 m) long and 19 ft wide. If it were closed, the detour would be 23 mi (37 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 84 over Miner Slough built?
It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1953.
What condition is State Route 84 over Miner Slough 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 84 over Miner Slough carry?
About 288 vehicles per day (2009 count).
How long is State Route 84 over Miner Slough?
The structure is 367 ft (111.9 m) long with a longest span of 191 ft (58.2 m) and a deck 19 ft wide.
Who owns State Route 84 over Miner Slough?
It is owned by the State Highway Agency.