US 287 over Int Three Forks I 90
FairBroadwater County, Montana · 3M W Three Forks · Structure no. P00008107+08931
- Built
- 2012
- 13 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 276 ft
- 2 main spans
- Daily traffic
- 6,444
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 over Int Three Forks I 90 is a steel continuous stringer/multi-beam or girder carrying US 287 over Int Three Forks I 90 in Broadwater County, Montana. It was built in 2012, so it is 13 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 6,444 vehicles a day, roughly 5% of them trucks, projected to reach 7,250 by 2043. The structure is 276 ft (84 m) long and 55 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 287 over Int Three Forks I 90 built?
It was built in 2012, making it 13 years old in 2025.
What condition is US 287 over Int Three Forks I 90 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 August 2024.
How much traffic does US 287 over Int Three Forks I 90 carry?
About 6,444 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US 287 over Int Three Forks I 90?
The structure is 276 ft (84 m) long with a longest span of 138 ft (42 m) and a deck 55 ft wide.
Who owns US 287 over Int Three Forks I 90?
It is owned by the State Highway Agency.