Saddle Drive over S Helena Int I 15 156
GoodLewis and Clark County, Montana · 1M S Helena · Structure no. L25608000+00001
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 186 ft
- 2 main spans
- Daily traffic
- 5,722
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Saddle Drive over S Helena Int I 15 156 is a prestressed concrete stringer/multi-beam or girder carrying Saddle Drive over S Helena Int I 15 156 in Lewis and Clark County, Montana. It was built in 2007, so it is 18 years old, younger 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 5,722 vehicles a day, roughly 3% of them trucks, projected to reach 6,094 by 2043. The structure is 186 ft (56.8 m) long and 84 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Saddle Drive over S Helena Int I 15 156 built?
It was built in 2007, making it 18 years old in 2025.
What condition is Saddle Drive over S Helena Int I 15 156 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 May 2023.
How much traffic does Saddle Drive over S Helena Int I 15 156 carry?
About 5,722 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Saddle Drive over S Helena Int I 15 156?
The structure is 186 ft (56.8 m) long with a longest span of 92 ft (28 m) and a deck 84 ft wide.
Who owns Saddle Drive over S Helena Int I 15 156?
It is owned by the State Highway Agency.