Cornwall Avenue over Burlington Northern
FairWhatcom County, Washington · 0.06 NE JCT W Laurel ST · Structure no. 085529000000000
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 113 ft
- 3 main spans
- Daily traffic
- 3,100
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Cornwall Avenue over Burlington Northern is a concrete continuous slab carrying Cornwall Avenue over Burlington Northern in Whatcom County, Washington. It was built in 1964, so it is 61 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 3,100 vehicles a day, roughly 5% of them trucks, projected to reach 4,000 by 2043. The structure is 113 ft (34.5 m) long and 37 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cornwall Avenue over Burlington Northern built?
It was built in 1964, making it 61 years old in 2025.
What condition is Cornwall Avenue over Burlington Northern 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 April 2023.
How much traffic does Cornwall Avenue over Burlington Northern carry?
About 3,100 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Cornwall Avenue over Burlington Northern?
The structure is 113 ft (34.5 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.
Who owns Cornwall Avenue over Burlington Northern?
It is owned by the City or Municipal Highway Agency.