Road 67 over Howard Slough
PoorGlenn County, California · 1.7 MI East of CR Z · Structure no. 11C0016
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 222 ft
- 11 main spans
- Daily traffic
- 93
- 2010 count
- Owner
- County
- County Highway Agency
About this bridge
Road 67 over Howard Slough is a steel stringer/multi-beam or girder carrying Road 67 over Howard Slough in Glenn County, California. It was built in 1950, so it is 75 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 93 vehicles a day, roughly 16% of them trucks, projected to reach 95 by 2044. The structure is 222 ft (67.7 m) long and 18 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road 67 over Howard Slough built?
It was built in 1950, making it 75 years old in 2025.
What condition is Road 67 over Howard 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 Road 67 over Howard Slough carry?
About 93 vehicles per day (2010 count), of which roughly 16% are trucks.
How long is Road 67 over Howard Slough?
The structure is 222 ft (67.7 m) long with a longest span of 20 ft (6.1 m) and a deck 18 ft wide.
Who owns Road 67 over Howard Slough?
It is owned by the County Highway Agency.