IRR - US 2 over Middle Fork Flathead Riv
FairFlathead County, Montana · Essex · Structure no. P00001180+03991
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 623 ft
- 4 main spans
- Daily traffic
- 2,025
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR - US 2 over Middle Fork Flathead Riv is a steel continuous stringer/multi-beam or girder carrying IRR - US 2 over Middle Fork Flathead Riv in Flathead County, Montana. It was built in 2002, so it is 23 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 2,025 vehicles a day, roughly 5% of them trucks, projected to reach 2,126 by 2043. The structure is 623 ft (190 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 2 over Middle Fork Flathead Riv built?
It was built in 2002, making it 23 years old in 2025.
What condition is IRR - US 2 over Middle Fork Flathead Riv in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does IRR - US 2 over Middle Fork Flathead Riv carry?
About 2,025 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is IRR - US 2 over Middle Fork Flathead Riv?
The structure is 623 ft (190 m) long with a longest span of 171 ft (52 m) and a deck 42 ft wide.
Who owns IRR - US 2 over Middle Fork Flathead Riv?
It is owned by the State Highway Agency.