I-90 over Lower Peoh Pt RD & Trail
PoorKittitas County, Washington · 0.8 E JCT SR 970 · Structure no. 0007543B0000000
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 375 ft
- 4 main spans
- Daily traffic
- 14,717
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Lower Peoh Pt RD & Trail is a prestressed concrete continuous stringer/multi-beam or girder carrying I-90 over Lower Peoh Pt RD & Trail in Kittitas County, Washington. It was built in 1965, so it is 60 years old, older than the Washington average of 49.8 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.
It carries about 14,717 vehicles a day, roughly 23% of them trucks, projected to reach 18,248 by 2039. The structure is 375 ft (114.3 m) long and 35 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 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 over Lower Peoh Pt RD & Trail built?
It was built in 1965, making it 60 years old in 2025.
What condition is I-90 over Lower Peoh Pt RD & Trail 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 June 2023.
How much traffic does I-90 over Lower Peoh Pt RD & Trail carry?
About 14,717 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is I-90 over Lower Peoh Pt RD & Trail?
The structure is 375 ft (114.3 m) long with a longest span of 99 ft (30.2 m) and a deck 35 ft wide.
Who owns I-90 over Lower Peoh Pt RD & Trail?
It is owned by the State Highway Agency.