I 94 over Drainage
FairYellowstone County, Montana · 1.2M E Ballentine · Structure no. I00094015+04531
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Steel
- Length
- 20 ft
- 1 main span
- Daily traffic
- 5,221
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 94 over Drainage is a steel culvert carrying I 94 over Drainage in Yellowstone 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 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 5,221 vehicles a day, roughly 26% of them trucks, projected to reach 5,482 by 2043. The structure is 20 ft (6.2 m) long. 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 94 over Drainage built?
It was built in 1968, making it 57 years old in 2025.
What condition is I 94 over Drainage 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 I 94 over Drainage carry?
About 5,221 vehicles per day (2023 count), of which roughly 26% are trucks.
How long is I 94 over Drainage?
The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m).
Who owns I 94 over Drainage?
It is owned by the State Highway Agency.