IRR - US 93 over Jocko River
GoodLake County, Montana · Arlee · Structure no. P00005018+09461
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 399 ft
- 3 main spans
- Daily traffic
- 8,775
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR - US 93 over Jocko River is a prestressed concrete stringer/multi-beam or girder carrying IRR - US 93 over Jocko River in Lake County, Montana. It was built in 2005, so it is 20 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 8,775 vehicles a day, roughly 5% of them trucks, projected to reach 9,214 by 2043. The structure is 399 ft (121.7 m) long and 54 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 IRR - US 93 over Jocko River built?
It was built in 2005, making it 20 years old in 2025.
What condition is IRR - US 93 over Jocko River 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 August 2023.
How much traffic does IRR - US 93 over Jocko River carry?
About 8,775 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR - US 93 over Jocko River?
The structure is 399 ft (121.7 m) long with a longest span of 123 ft (37.5 m) and a deck 54 ft wide.
Who owns IRR - US 93 over Jocko River?
It is owned by the State Highway Agency.