Road over Thompson Creek
PoorWhatcom County, Washington · MP 1.1 Rd# 39 · Structure no. 060501000001404
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected June 2023
- Type
- Slab
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 64
- 1996 count
- Owner
- Federal
- U.S. Forest Service
About this bridge
Road over Thompson Creek is a prestressed concrete slab carrying Road over Thompson Creek in Whatcom County, Washington. It was built in 1966, so it is 59 years old, older than the Washington average of 49.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 64 vehicles a day, projected to reach 96 by 2045. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 98.2 mi (158 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road over Thompson Creek built?
It was built in 1966, making it 59 years old in 2025.
What condition is Road over Thompson Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.
How much traffic does Road over Thompson Creek carry?
About 64 vehicles per day (1996 count).
How long is Road over Thompson Creek?
The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.
Who owns Road over Thompson Creek?
It is owned by the U.S. Forest Service.