I 90 Eastbound over Int Whitehall
FairJefferson County, Montana · Whitehall · Structure no. I00090249+00261
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 129 ft
- 3 main spans
- Daily traffic
- 5,175
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 Eastbound over Int Whitehall is a prestressed concrete stringer/multi-beam or girder carrying I 90 Eastbound over Int Whitehall in Jefferson County, Montana. It was built in 1966, so it is 59 years old, older 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 5,175 vehicles a day, roughly 20% of them trucks, projected to reach 5,743 by 2043. The structure is 129 ft (39.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| 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 I 90 Eastbound over Int Whitehall built?
It was built in 1966, making it 59 years old in 2025.
What condition is I 90 Eastbound over Int Whitehall 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 October 2023.
How much traffic does I 90 Eastbound over Int Whitehall carry?
About 5,175 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is I 90 Eastbound over Int Whitehall?
The structure is 129 ft (39.3 m) long with a longest span of 52 ft (15.8 m) and a deck 40 ft wide.
Who owns I 90 Eastbound over Int Whitehall?
It is owned by the State Highway Agency.