Starbird RD over I-5
GoodSkagit County, Washington · 0.9 N Snohomish CO · Structure no. 0009260A0000000
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 363 ft
- 4 main spans
- Daily traffic
- 1,537
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Starbird RD over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Starbird RD over I-5 in Skagit County, Washington. It was built in 1972, so it is 53 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,537 vehicles a day, roughly 1% of them trucks, projected to reach 2,262 by 2041. The structure is 363 ft (110.6 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Starbird RD over I-5 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Starbird RD over I-5 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does Starbird RD over I-5 carry?
About 1,537 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Starbird RD over I-5?
The structure is 363 ft (110.6 m) long with a longest span of 127 ft (38.7 m) and a deck 41 ft wide.
Who owns Starbird RD over I-5?
It is owned by the State Highway Agency.