I-90 over Pelican Horn
FairGrant County, Washington · 0.9 E JCT SR 171 · Structure no. 0005833A0000000
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 154 ft
- 3 main spans
- Daily traffic
- 10,080
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-90 over Pelican Horn is a concrete continuous slab carrying I-90 over Pelican Horn in Grant 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 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 10,080 vehicles a day, roughly 23% of them trucks, projected to reach 12,589 by 2039. The structure is 154 ft (46.9 m) long and 34 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 | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 I-90 over Pelican Horn built?
It was built in 1958, making it 67 years old in 2025.
What condition is I-90 over Pelican Horn 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 2024.
How much traffic does I-90 over Pelican Horn carry?
About 10,080 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is I-90 over Pelican Horn?
The structure is 154 ft (46.9 m) long with a longest span of 57 ft (17.4 m) and a deck 34 ft wide.
Who owns I-90 over Pelican Horn?
It is owned by the State Highway Agency.