I-90 over Doerschlag RD
FairLincoln County, Washington · 3.6 E Adams CO · Structure no. 0008244D0000000
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 10,667
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Doerschlag RD is a prestressed concrete stringer/multi-beam or girder carrying I-90 over Doerschlag RD in Lincoln County, Washington. It was built in 1968, so it is 57 years old, older than the Washington average of 49.8 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 10,667 vehicles a day, roughly 25% of them trucks, projected to reach 10,821 by 2039. The structure is 85 ft (25.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 over Doerschlag RD built?
It was built in 1968, making it 57 years old in 2025.
What condition is I-90 over Doerschlag RD 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 October 2023.
How much traffic does I-90 over Doerschlag RD carry?
About 10,667 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is I-90 over Doerschlag RD?
The structure is 85 ft (25.9 m) long with a longest span of 81 ft (24.6 m) and a deck 41 ft wide.
Who owns I-90 over Doerschlag RD?
It is owned by the State Highway Agency.