Silver Spring RD over Ruby River 023
PoorPosted for loadMadison County, Montana · 3M S Sheridan · Structure no. L29172000+02001
- Built
- 1927
- 98 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 37 ft
- 1 main span
- Daily traffic
- 133
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Silver Spring RD over Ruby River 023 is a steel stringer/multi-beam or girder carrying Silver Spring RD over Ruby River 023 in Madison County, Montana. It was built in 1927, so it is 98 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 133 vehicles a day, roughly 3% of them trucks, projected to reach 142 by 2043. The structure is 37 ft (11.3 m) long and 16 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Silver Spring RD over Ruby River 023 built?
It was built in 1927, making it 98 years old in 2025.
What condition is Silver Spring RD over Ruby River 023 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 Silver Spring RD over Ruby River 023 carry?
About 133 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Silver Spring RD over Ruby River 023?
The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 16 ft wide.
Who owns Silver Spring RD over Ruby River 023?
It is owned by the County Highway Agency.