ALTERGOTT/2420 over Palouse River
GoodWhitman County, Washington · 0.68 MI NE SR 272 · Structure no. 085770000000000
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected November 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 155 ft
- 1 main span
- Daily traffic
- 39
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
ALTERGOTT/2420 over Palouse River is a prestressed concrete tee beam carrying ALTERGOTT/2420 over Palouse River in Whitman County, Washington. It was built in 1990, so it is 35 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 39 vehicles a day, roughly 25% of them trucks, projected to reach 40 by 2044. The structure is 155 ft (47.2 m) long and 29 ft wide. If it were closed, the detour would be 13 mi (21 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was ALTERGOTT/2420 over Palouse River built?
It was built in 1990, making it 35 years old in 2025.
What condition is ALTERGOTT/2420 over Palouse River 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 November 2023.
How much traffic does ALTERGOTT/2420 over Palouse River carry?
About 39 vehicles per day (2021 count), of which roughly 25% are trucks.
How long is ALTERGOTT/2420 over Palouse River?
The structure is 155 ft (47.2 m) long with a longest span of 154 ft (46.9 m) and a deck 29 ft wide.
Who owns ALTERGOTT/2420 over Palouse River?
It is owned by the County Highway Agency.