Eastside HWY over Etna Ditch
GoodRavalli County, Montana · 8M S Stevensville · Structure no. S00269011+07841
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected December 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 3,654
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Eastside HWY over Etna Ditch is a prestressed concrete tee beam carrying Eastside HWY over Etna Ditch in Ravalli 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 3,654 vehicles a day, roughly 1% of them trucks, projected to reach 3,837 by 2043. The structure is 22 ft (6.7 m) long and 33 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 Eastside HWY over Etna Ditch built?
It was built in 1997, making it 28 years old in 2025.
What condition is Eastside HWY over Etna Ditch 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 December 2024.
How much traffic does Eastside HWY over Etna Ditch carry?
About 3,654 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Eastside HWY over Etna Ditch?
The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.
Who owns Eastside HWY over Etna Ditch?
It is owned by the State Highway Agency.