Smith ST I-5 Intr over Abandoned Railroad Grade
FairSnohomish County, Washington · 39 ST @ Smith · Structure no. 085496000000000
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 109 ft
- 1 main span
- Daily traffic
- 3,437
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Smith ST I-5 Intr over Abandoned Railroad Grade is a prestressed concrete stringer/multi-beam or girder carrying Smith ST I-5 Intr over Abandoned Railroad Grade in Snohomish County, Washington. It was built in 1974, so it is 51 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 3,437 vehicles a day, roughly 3% of them trucks, projected to reach 4,124 by 2046. The structure is 109 ft (33.2 m) long and 63 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Smith ST I-5 Intr over Abandoned Railroad Grade built?
It was built in 1974, making it 51 years old in 2025.
What condition is Smith ST I-5 Intr over Abandoned Railroad Grade 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 Smith ST I-5 Intr over Abandoned Railroad Grade carry?
About 3,437 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Smith ST I-5 Intr over Abandoned Railroad Grade?
The structure is 109 ft (33.2 m) long with a longest span of 102 ft (31.1 m) and a deck 63 ft wide.
Who owns Smith ST I-5 Intr over Abandoned Railroad Grade?
It is owned by the City or Municipal Highway Agency.