I 90 Westbound over P 69
FairJefferson County, Montana · 3.1M W Cardwell · Structure no. I00090253+03082
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 200 ft
- 3 main spans
- Daily traffic
- 5,175
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 90 Westbound over P 69 is a prestressed concrete stringer/multi-beam or girder carrying I 90 Westbound over P 69 in Jefferson County, Montana. It was built in 1968, so it is 57 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 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 5,175 vehicles a day, roughly 20% of them trucks, projected to reach 5,743 by 2043. The structure is 200 ft (60.9 m) long and 41 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 90 Westbound over P 69 built?
It was built in 1968, making it 57 years old in 2025.
What condition is I 90 Westbound over P 69 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 Westbound over P 69 carry?
About 5,175 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is I 90 Westbound over P 69?
The structure is 200 ft (60.9 m) long with a longest span of 75 ft (22.9 m) and a deck 41 ft wide.
Who owns I 90 Westbound over P 69?
It is owned by the State Highway Agency.