Lyons Creek RD over Lyons Creek 157
GoodLewis and Clark County, Montana · 5M S Wolf Creek · Structure no. L25233000+03001
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected January 2025
- Type
- Culvert
- Aluminum, Wrought Iron, or Cast Iron
- Length
- 24 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Lyons Creek RD over Lyons Creek 157 is a aluminum, wrought iron, or cast iron culvert carrying Lyons Creek RD over Lyons Creek 157 in Lewis and Clark County, Montana. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 62.1 mi (100 km).
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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lyons Creek RD over Lyons Creek 157 built?
It was built in 1990, making it 35 years old in 2025.
What condition is Lyons Creek RD over Lyons Creek 157 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 January 2025.
How much traffic does Lyons Creek RD over Lyons Creek 157 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Lyons Creek RD over Lyons Creek 157?
The structure is 24 ft (7.2 m) long with a longest span of 24 ft (7.2 m).
Who owns Lyons Creek RD over Lyons Creek 157?
It is owned by the County Highway Agency.