Seyler LN over Ruby River 019
PoorPosted for loadMadison County, Montana · 7M NW Sheridan · Structure no. L29144011+00001
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected September 2023
- Type
- Tee Beam
- Concrete
- Length
- 61 ft
- 2 main spans
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Seyler LN over Ruby River 019 is a concrete tee beam carrying Seyler LN over Ruby River 019 in Madison County, Montana. It was built in 1976, so it is 49 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 61 ft (18.6 m) long and 25 ft wide. If it were closed, the detour would be 14.3 mi (23 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Seyler LN over Ruby River 019 built?
It was built in 1976, making it 49 years old in 2025.
What condition is Seyler LN over Ruby River 019 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does Seyler LN over Ruby River 019 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Seyler LN over Ruby River 019?
The structure is 61 ft (18.6 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.
Who owns Seyler LN over Ruby River 019?
It is owned by the County Highway Agency.