I 15 over Int Clancy
GoodJefferson County, Montana · Clancy · Structure no. I00015182+01162
- Built
- 1969
- 56 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 3,787
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 15 over Int Clancy is a prestressed concrete stringer/multi-beam or girder carrying I 15 over Int Clancy in Jefferson County, Montana. It was built in 1969, so it is 56 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 3,787 vehicles a day, roughly 10% of them trucks, projected to reach 3,976 by 2043. The structure is 119 ft (36.3 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 15 over Int Clancy built?
It was built in 1969, making it 56 years old in 2025.
What condition is I 15 over Int Clancy 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 November 2023.
How much traffic does I 15 over Int Clancy carry?
About 3,787 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is I 15 over Int Clancy?
The structure is 119 ft (36.3 m) long with a longest span of 47 ft (14.3 m) and a deck 41 ft wide.
Who owns I 15 over Int Clancy?
It is owned by the State Highway Agency.