Heron LN over Johnson CR
GoodWhatcom County, Washington · 00.18 S Jones RD · Structure no. 084711000000000
- Built
- 1944
- 81 years old, rebuilt 1984
- Condition
- Good
- inspected February 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 10
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Heron LN over Johnson CR is a prestressed concrete tee beam carrying Heron LN over Johnson CR in Whatcom County, Washington. It was built in 1944 and reconstructed in 1984, so it is 81 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 20 by 2045. The structure is 72 ft (21.9 m) long and 14 ft wide. If it were closed, the detour would be 98.8 mi (159 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Heron LN over Johnson CR built?
It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1984.
What condition is Heron LN over Johnson CR 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 February 2023.
How much traffic does Heron LN over Johnson CR carry?
About 10 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Heron LN over Johnson CR?
The structure is 72 ft (21.9 m) long with a longest span of 72 ft (21.9 m) and a deck 14 ft wide.
Who owns Heron LN over Johnson CR?
It is owned by the County Highway Agency.