Grain East RD over Little Porcupine CR 055
FairValley County, Montana · 7M W Lustre · Structure no. L53201008+01001
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 65 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Grain East RD over Little Porcupine CR 055 is a steel stringer/multi-beam or girder carrying Grain East RD over Little Porcupine CR 055 in Valley County, Montana. It was built in 1985, so it is 40 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 50 vehicles a day, roughly 3% of them trucks, projected to reach 53 by 2043. The structure is 65 ft (19.8 m) long and 24 ft wide. If it were closed, the detour would be 44.7 mi (72 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Grain East RD over Little Porcupine CR 055 built?
It was built in 1985, making it 40 years old in 2025.
What condition is Grain East RD over Little Porcupine CR 055 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 August 2024.
How much traffic does Grain East RD over Little Porcupine CR 055 carry?
About 50 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Grain East RD over Little Porcupine CR 055?
The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 24 ft wide.
Who owns Grain East RD over Little Porcupine CR 055?
It is owned by the County Highway Agency.