42N31 over South Fork Parker Creek
FairModoc County, California · 3 MI East of W.Warner RD · Structure no. 050953000003002
- Built
- 1969
- 56 years old, rebuilt 1994
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 78 ft
- 1 main span
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
42N31 over South Fork Parker Creek is a wood or timber stringer/multi-beam or girder carrying 42N31 over South Fork Parker Creek in Modoc County, California. It was built in 1969 and reconstructed in 1994, so it is 56 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 78 ft (23.8 m) long and 16 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 42N31 over South Fork Parker Creek built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1994.
What condition is 42N31 over South Fork Parker Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does 42N31 over South Fork Parker Creek carry?
About 50 vehicles per day (latest count).
How long is 42N31 over South Fork Parker Creek?
The structure is 78 ft (23.8 m) long with a longest span of 54 ft (16.5 m) and a deck 16 ft wide.
Who owns 42N31 over South Fork Parker Creek?
It is owned by the U.S. Forest Service.