S5786;COLBURN Culv over Grouse Creek
PoorBonner County, Idaho · 5.0 E. Colburn · Structure no. 000000000020645
- Built
- 1941
- 84 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 65 ft
- 1 main span
- Daily traffic
- 870
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
S5786;COLBURN Culv over Grouse Creek is a steel stringer/multi-beam or girder carrying S5786;COLBURN Culv over Grouse Creek in Bonner County, Idaho. It was built in 1941, so it is 84 years old, older than the Idaho average of 45.3 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 870 vehicles a day, roughly 13% of them trucks, projected to reach 1,305 by 2042. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 S5786;COLBURN Culv over Grouse Creek built?
It was built in 1941, making it 84 years old in 2025.
What condition is S5786;COLBURN Culv over Grouse 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 2024.
How much traffic does S5786;COLBURN Culv over Grouse Creek carry?
About 870 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is S5786;COLBURN Culv over Grouse Creek?
The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.
Who owns S5786;COLBURN Culv over Grouse Creek?
It is owned by the County Highway Agency.