Swingley RD over W Boulder River 038
PoorPosted for loadPark County, Montana · 18M E Livingston · Structure no. L34200007+07001
- Built
- 1938
- 87 years old, rebuilt 1995
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 90 ft
- 2 main spans
- Daily traffic
- 52
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Swingley RD over W Boulder River 038 is a wood or timber stringer/multi-beam or girder carrying Swingley RD over W Boulder River 038 in Park County, Montana. It was built in 1938 and reconstructed in 1995, so it is 87 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 52 vehicles a day, roughly 3% of them trucks, projected to reach 55 by 2043. The structure is 90 ft (27.4 m) long and 14 ft wide. If it were closed, the detour would be 57.8 mi (93 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Swingley RD over W Boulder River 038 built?
It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1995.
What condition is Swingley RD over W Boulder River 038 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 Swingley RD over W Boulder River 038 carry?
About 52 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Swingley RD over W Boulder River 038?
The structure is 90 ft (27.4 m) long with a longest span of 44 ft (13.4 m) and a deck 14 ft wide.
Who owns Swingley RD over W Boulder River 038?
It is owned by the County Highway Agency.