Ramp to W I 90 over Shiloh Interchange
GoodYellowstone County, Montana · Billings · Structure no. I00090444+04434
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 329 ft
- 4 main spans
- Daily traffic
- 1,646
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ramp to W I 90 over Shiloh Interchange is a prestressed concrete stringer/multi-beam or girder carrying Ramp to W I 90 over Shiloh Interchange in Yellowstone County, Montana. It was built in 2001, so it is 24 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 1,646 vehicles a day, roughly 3% of them trucks, projected to reach 1,745 by 2043. The structure is 329 ft (100.3 m) long and 31 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ramp to W I 90 over Shiloh Interchange built?
It was built in 2001, making it 24 years old in 2025.
What condition is Ramp to W I 90 over Shiloh Interchange 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 April 2024.
How much traffic does Ramp to W I 90 over Shiloh Interchange carry?
About 1,646 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Ramp to W I 90 over Shiloh Interchange?
The structure is 329 ft (100.3 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.
Who owns Ramp to W I 90 over Shiloh Interchange?
It is owned by the State Highway Agency.