Penwell Bridge RD over E Gallatin River 059
FairGallatin County, Montana · 3M NE Belgrade · Structure no. L16003002+00001
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 93 ft
- 2 main spans
- Daily traffic
- 571
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Penwell Bridge RD over E Gallatin River 059 is a prestressed concrete stringer/multi-beam or girder carrying Penwell Bridge RD over E Gallatin River 059 in Gallatin 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 571 vehicles a day, roughly 2% of them trucks, projected to reach 671 by 2043. The structure is 93 ft (28.3 m) long and 29 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Penwell Bridge RD over E Gallatin River 059 built?
It was built in 1985, making it 40 years old in 2025.
What condition is Penwell Bridge RD over E Gallatin River 059 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 October 2024.
How much traffic does Penwell Bridge RD over E Gallatin River 059 carry?
About 571 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Penwell Bridge RD over E Gallatin River 059?
The structure is 93 ft (28.3 m) long with a longest span of 45 ft (13.7 m) and a deck 29 ft wide.
Who owns Penwell Bridge RD over E Gallatin River 059?
It is owned by the County Highway Agency.