SR 20 over Calispell Creek
GoodPend Oreille County, Washington · 28.5 E JCT SR 31 · Structure no. 0013033A0000000
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected August 2024
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 284 ft
- 7 main spans
- Daily traffic
- 2,212
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
SR 20 over Calispell Creek is a prestressed concrete channel beam carrying SR 20 over Calispell Creek in Pend Oreille County, Washington. It was built in 1986, so it is 39 years old, younger than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,212 vehicles a day, roughly 15% of them trucks, projected to reach 2,725 by 2039. The structure is 284 ft (86.6 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR 20 over Calispell Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is SR 20 over Calispell Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does SR 20 over Calispell Creek carry?
About 2,212 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is SR 20 over Calispell Creek?
The structure is 284 ft (86.6 m) long with a longest span of 43 ft (13.1 m) and a deck 40 ft wide.
Who owns SR 20 over Calispell Creek?
It is owned by the State Highway Agency.