I-5 SB to SR 99 SB over SR 526 EB to I-5 SB
GoodSnohomish County, Washington · 5.3 N JCT SR 525 · Structure no. 0007116A0000000
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 184 ft
- 3 main spans
- Daily traffic
- 10,974
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 SB to SR 99 SB over SR 526 EB to I-5 SB is a concrete continuous box beam or girders - multiple carrying I-5 SB to SR 99 SB over SR 526 EB to I-5 SB in Snohomish County, Washington. It was built in 1963, so it is 62 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 10,974 vehicles a day, roughly 3% of them trucks, projected to reach 19,317 by 2039. The structure is 184 ft (56.1 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 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 I-5 SB to SR 99 SB over SR 526 EB to I-5 SB built?
It was built in 1963, making it 62 years old in 2025.
What condition is I-5 SB to SR 99 SB over SR 526 EB to I-5 SB 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 October 2023.
How much traffic does I-5 SB to SR 99 SB over SR 526 EB to I-5 SB carry?
About 10,974 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is I-5 SB to SR 99 SB over SR 526 EB to I-5 SB?
The structure is 184 ft (56.1 m) long with a longest span of 72 ft (21.9 m) and a deck 36 ft wide.
Who owns I-5 SB to SR 99 SB over SR 526 EB to I-5 SB?
It is owned by the State Highway Agency.