County Road 128 over Usbr Main Canal 089
GoodRichland County, Montana · 4M N Sidney · Structure no. L42238001+00001
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected February 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 128 over Usbr Main Canal 089 is a prestressed concrete tee beam carrying County Road 128 over Usbr Main Canal 089 in Richland County, Montana. It was built in 1997, so it is 28 years old, younger 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 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 57 ft (17.5 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 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 County Road 128 over Usbr Main Canal 089 built?
It was built in 1997, making it 28 years old in 2025.
What condition is County Road 128 over Usbr Main Canal 089 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 County Road 128 over Usbr Main Canal 089 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is County Road 128 over Usbr Main Canal 089?
The structure is 57 ft (17.5 m) long with a longest span of 56 ft (17 m) and a deck 28 ft wide.
Who owns County Road 128 over Usbr Main Canal 089?
It is owned by the County Highway Agency.