CR417 (punkin Ctr) over Muddy Slough No 1
PoorPosted for loadLassen County, California · 2.8 MI S of CR A2 · Structure no. 07C0088
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 130 ft
- 8 main spans
- Daily traffic
- 200
- 1979 count
- Owner
- County
- County Highway Agency
About this bridge
CR417 (punkin Ctr) over Muddy Slough No 1 is a steel continuous stringer/multi-beam or girder carrying CR417 (punkin Ctr) over Muddy Slough No 1 in Lassen County, California. It was built in 1955, so it is 70 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 load restriction.
It carries about 200 vehicles a day, roughly 10% of them trucks, projected to reach 326 by 2041. The structure is 130 ft (39.7 m) long and 24 ft wide. If it were closed, the detour would be 39.8 mi (64 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR417 (punkin Ctr) over Muddy Slough No 1 built?
It was built in 1955, making it 70 years old in 2025.
What condition is CR417 (punkin Ctr) over Muddy Slough No 1 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 October 2023.
How much traffic does CR417 (punkin Ctr) over Muddy Slough No 1 carry?
About 200 vehicles per day (1979 count), of which roughly 10% are trucks.
How long is CR417 (punkin Ctr) over Muddy Slough No 1?
The structure is 130 ft (39.7 m) long with a longest span of 17 ft (5.1 m) and a deck 24 ft wide.
Who owns CR417 (punkin Ctr) over Muddy Slough No 1?
It is owned by the County Highway Agency.