Smith RD over I-5
GoodWhatcom County, Washington · 5.3 N JCT SR 539 · Structure no. 0009268A0000000
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 369 ft
- 4 main spans
- Daily traffic
- 4,737
- 2008 count
- Owner
- State
- State Highway Agency
About this bridge
Smith RD over I-5 is a prestressed concrete continuous stringer/multi-beam or girder carrying Smith RD over I-5 in Whatcom 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 4,737 vehicles a day, roughly 5% of them trucks, projected to reach 9,368 by 2034. The structure is 369 ft (112.5 m) long and 42 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 Smith RD over I-5 built?
It was built in 1972, making it 53 years old in 2025.
What condition is Smith 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 June 2024.
How much traffic does Smith RD over I-5 carry?
About 4,737 vehicles per day (2008 count), of which roughly 5% are trucks.
How long is Smith RD over I-5?
The structure is 369 ft (112.5 m) long with a longest span of 121 ft (36.9 m) and a deck 42 ft wide.
Who owns Smith RD over I-5?
It is owned by the State Highway Agency.