I 90 over Harvey Creek
GoodGranite County, Montana · 3M E Bearmouth Int · Structure no. I00090141+01001
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 13,081
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Harvey Creek is a concrete culvert carrying I 90 over Harvey Creek in Granite County, Montana. It was built in 1970, so it is 55 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 13,081 vehicles a day, roughly 18% of them trucks, projected to reach 13,997 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 over Harvey Creek built?
It was built in 1970, making it 55 years old in 2025.
What condition is I 90 over Harvey 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 May 2024.
How much traffic does I 90 over Harvey Creek carry?
About 13,081 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is I 90 over Harvey Creek?
The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).
Who owns I 90 over Harvey Creek?
It is owned by the State Highway Agency.