County Road Z over Angel Slough
PoorPosted for loadGlenn County, California · 0.3 MI N of S.H. 162 · Structure no. 11C0075
- Built
- 1925
- 100 years old, rebuilt 1960
- Condition
- Poor
- inspected August 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 301 ft
- 15 main spans
- Daily traffic
- 586
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
County Road Z over Angel Slough is a concrete continuous tee beam carrying County Road Z over Angel Slough in Glenn County, California. It was built in 1925 and reconstructed in 1960, so it is 100 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 3 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 load restriction.
It carries about 586 vehicles a day, roughly 10% of them trucks, projected to reach 668 by 2043. The structure is 301 ft (91.7 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road Z over Angel Slough built?
It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1960.
What condition is County Road Z over Angel 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 August 2024.
How much traffic does County Road Z over Angel Slough carry?
About 586 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is County Road Z over Angel Slough?
The structure is 301 ft (91.7 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.
Who owns County Road Z over Angel Slough?
It is owned by the County Highway Agency.