I-5 over SR 548 (d St)
GoodWhatcom County, Washington · JCT SR 548 · Structure no. 0007057B0000000
- Built
- 1963
- 62 years old, rebuilt 2000
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete Continuous
- Length
- 158 ft
- 3 main spans
- Daily traffic
- 2,280
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-5 over SR 548 (d St) is a concrete continuous slab carrying I-5 over SR 548 (d St) in Whatcom County, Washington. It was built in 1963 and reconstructed in 2000, 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 2,280 vehicles a day, roughly 1% of them trucks, projected to reach 5,084 by 2039. The structure is 158 ft (48.2 m) long and 52 ft wide.
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 over SR 548 (d St) built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.
What condition is I-5 over SR 548 (d St) 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 May 2023.
How much traffic does I-5 over SR 548 (d St) carry?
About 2,280 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is I-5 over SR 548 (d St)?
The structure is 158 ft (48.2 m) long with a longest span of 61 ft (18.6 m) and a deck 52 ft wide.
Who owns I-5 over SR 548 (d St)?
It is owned by the State Highway Agency.