I 15 over Int Kidd
FairBeaverhead County, Montana · 5.6M N Dell-Kidd LN · Structure no. I00015029+06022
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 2,116
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I 15 over Int Kidd is a concrete continuous slab carrying I 15 over Int Kidd in Beaverhead County, Montana. It was built in 1971, so it is 54 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 2,116 vehicles a day, roughly 25% of them trucks, projected to reach 2,264 by 2043. The structure is 78 ft (23.8 m) long and 44 ft wide.
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I 15 over Int Kidd built?
It was built in 1971, making it 54 years old in 2025.
What condition is I 15 over Int Kidd 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 2024.
How much traffic does I 15 over Int Kidd carry?
About 2,116 vehicles per day (2023 count), of which roughly 25% are trucks.
How long is I 15 over Int Kidd?
The structure is 78 ft (23.8 m) long with a longest span of 30 ft (9.1 m) and a deck 44 ft wide.
Who owns I 15 over Int Kidd?
It is owned by the State Highway Agency.