City ST to I-5 NB over I-5
GoodWhatcom County, Washington · 1.7 N JCT SR 539 · Structure no. 0009530B0000000
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 400 ft
- 4 main spans
- Daily traffic
- 2,540
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
City ST to I-5 NB over I-5 is a concrete continuous box beam or girders - multiple carrying City ST to I-5 NB over I-5 in Whatcom County, Washington. It was built in 1976, so it is 49 years old, younger 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 2,540 vehicles a day, roughly 6% of them trucks, projected to reach 10,785 by 2039. The structure is 400 ft (121.9 m) long and 29 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 City ST to I-5 NB over I-5 built?
It was built in 1976, making it 49 years old in 2025.
What condition is City ST to I-5 NB 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 April 2023.
How much traffic does City ST to I-5 NB over I-5 carry?
About 2,540 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is City ST to I-5 NB over I-5?
The structure is 400 ft (121.9 m) long with a longest span of 142 ft (43.3 m) and a deck 29 ft wide.
Who owns City ST to I-5 NB over I-5?
It is owned by the State Highway Agency.