Swanson RD over Drainage 062
FairPosted for loadPondera County, Montana · 3M N Valier · Structure no. L37059002+06001
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 23 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Swanson RD over Drainage 062 is a wood or timber stringer/multi-beam or girder carrying Swanson RD over Drainage 062 in Pondera County, Montana. It was built in 1986, so it is 39 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Swanson RD over Drainage 062 built?
It was built in 1986, making it 39 years old in 2025.
What condition is Swanson RD over Drainage 062 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.
How much traffic does Swanson RD over Drainage 062 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Swanson RD over Drainage 062?
The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 30 ft wide.
Who owns Swanson RD over Drainage 062?
It is owned by the County Highway Agency.