S 2 over E Three Forks Int I 90
FairGallatin County, Montana · Three Forks · Structure no. P00013097+03301
- Built
- 2010
- 15 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 228 ft
- 4 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- State
- State Highway Agency
About this bridge
S 2 over E Three Forks Int I 90 is a prestressed concrete stringer/multi-beam or girder carrying S 2 over E Three Forks Int I 90 in Gallatin County, Montana. It was built in 2010, so it is 15 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 6 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 228 ft (69.4 m) long and 41 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 S 2 over E Three Forks Int I 90 built?
It was built in 2010, making it 15 years old in 2025.
What condition is S 2 over E Three Forks Int 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 January 2025.
How much traffic does S 2 over E Three Forks Int I 90 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is S 2 over E Three Forks Int I 90?
The structure is 228 ft (69.4 m) long with a longest span of 68 ft (20.7 m) and a deck 41 ft wide.
Who owns S 2 over E Three Forks Int I 90?
It is owned by the State Highway Agency.