Illabot over Otter Creek
FairSkagit County, Washington · No Data Entered · Structure no. 060501000001498
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 80 ft
- 1 main span
- Daily traffic
- 20
- 1994 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Illabot over Otter Creek is a steel stringer/multi-beam or girder carrying Illabot over Otter Creek in Skagit County, Washington. It was built in 1987, so it is 38 years old, younger 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 20 vehicles a day, projected to reach 30 by 2045. The structure is 80 ft (24.4 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 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 | 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 Illabot over Otter Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is Illabot over Otter Creek 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 November 2023.
How much traffic does Illabot over Otter Creek carry?
About 20 vehicles per day (1994 count).
How long is Illabot over Otter Creek?
The structure is 80 ft (24.4 m) long with a longest span of 78 ft (23.9 m) and a deck 18 ft wide.
Who owns Illabot over Otter Creek?
It is owned by the U.S. Forest Service.