P 81 over Judith River
GoodFergus County, Montana · 11M SE Denton · Structure no. 000000202006211
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 207 ft
- 1 main span
- Daily traffic
- 265
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
P 81 over Judith River is a steel stringer/multi-beam or girder carrying P 81 over Judith River in Fergus County, Montana. It was built in 2020, so it is 5 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 265 vehicles a day, roughly 11% of them trucks, projected to reach 278 by 2043. The structure is 207 ft (63.1 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| 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 P 81 over Judith River built?
It was built in 2020, making it 5 years old in 2025.
What condition is P 81 over Judith River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does P 81 over Judith River carry?
About 265 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is P 81 over Judith River?
The structure is 207 ft (63.1 m) long with a longest span of 193 ft (58.8 m) and a deck 35 ft wide.
Who owns P 81 over Judith River?
It is owned by the State Highway Agency.