Pn Bridge RD over Missouri River
FairChouteau County, Montana · 25M NW Winifred · Structure no. S00236049+04631
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 904 ft
- 4 main spans
- Daily traffic
- 39
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Pn Bridge RD over Missouri River is a steel continuous stringer/multi-beam or girder carrying Pn Bridge RD over Missouri River in Chouteau County, Montana. It was built in 1982, so it is 43 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.
It carries about 39 vehicles a day, projected to reach 41 by 2043. The structure is 904 ft (275.5 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Pn Bridge RD over Missouri River built?
It was built in 1982, making it 43 years old in 2025.
What condition is Pn Bridge RD over Missouri River 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 July 2024.
How much traffic does Pn Bridge RD over Missouri River carry?
About 39 vehicles per day (2023 count).
How long is Pn Bridge RD over Missouri River?
The structure is 904 ft (275.5 m) long with a longest span of 207 ft (63.2 m) and a deck 34 ft wide.
Who owns Pn Bridge RD over Missouri River?
It is owned by the County Highway Agency.