Hannegan RD over Four Mile Creek
GoodWhatcom County, Washington · 00.2 S Beard Rd. · Structure no. 080934000000000
- Built
- 1954
- 71 years old, rebuilt 1994
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 9,411
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Hannegan RD over Four Mile Creek is a prestressed concrete slab carrying Hannegan RD over Four Mile Creek in Whatcom County, Washington. It was built in 1954 and reconstructed in 1994, so it is 71 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 9,411 vehicles a day, roughly 4% of them trucks, projected to reach 15,000 by 2043. The structure is 37 ft (11.3 m) long and 44 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hannegan RD over Four Mile Creek built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1994.
What condition is Hannegan RD over Four Mile Creek 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 March 2023.
How much traffic does Hannegan RD over Four Mile Creek carry?
About 9,411 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is Hannegan RD over Four Mile Creek?
The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 44 ft wide.
Who owns Hannegan RD over Four Mile Creek?
It is owned by the County Highway Agency.