I 90 over Int W Billings-U 1020
GoodYellowstone County, Montana · Billings · Structure no. I00090445+09642
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 185 ft
- 4 main spans
- Daily traffic
- 9,451
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 over Int W Billings-U 1020 is a prestressed concrete stringer/multi-beam or girder carrying I 90 over Int W Billings-U 1020 in Yellowstone County, Montana. It was built in 1964, so it is 61 years old, older 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 9,451 vehicles a day, roughly 20% of them trucks, projected to reach 10,065 by 2043. The structure is 185 ft (56.4 m) long and 41 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 I 90 over Int W Billings-U 1020 built?
It was built in 1964, making it 61 years old in 2025.
What condition is I 90 over Int W Billings-U 1020 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 October 2023.
How much traffic does I 90 over Int W Billings-U 1020 carry?
About 9,451 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is I 90 over Int W Billings-U 1020?
The structure is 185 ft (56.4 m) long with a longest span of 52 ft (15.8 m) and a deck 41 ft wide.
Who owns I 90 over Int W Billings-U 1020?
It is owned by the State Highway Agency.