I-90 over Hills North RD
FairAdams County, Washington · 7.3 E JCT SR 261 · Structure no. 0005783B0000000
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 10,614
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Hills North RD is a concrete continuous slab carrying I-90 over Hills North RD in Adams County, Washington. It was built in 1958, so it is 67 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 5 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 10,614 vehicles a day, roughly 25% of them trucks, projected to reach 11,725 by 2039. The structure is 140 ft (42.7 m) long and 43 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-90 over Hills North RD built?
It was built in 1958, making it 67 years old in 2025.
What condition is I-90 over Hills North 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 July 2024.
How much traffic does I-90 over Hills North RD carry?
About 10,614 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is I-90 over Hills North RD?
The structure is 140 ft (42.7 m) long with a longest span of 55 ft (16.8 m) and a deck 43 ft wide.
Who owns I-90 over Hills North RD?
It is owned by the State Highway Agency.