S 59 over Pumpkin Creek
FairCuster County, Montana · 14M SE Miles City · Structure no. P00023015+09431
- Built
- 1962
- 63 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 139 ft
- 3 main spans
- Daily traffic
- 660
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S 59 over Pumpkin Creek is a prestressed concrete stringer/multi-beam or girder carrying S 59 over Pumpkin Creek in Custer County, Montana. It was built in 1962, so it is 63 years old, older 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 660 vehicles a day, roughly 16% of them trucks, projected to reach 693 by 2043. The structure is 139 ft (42.4 m) long and 31 ft wide. If it were closed, the detour would be 85.1 mi (137 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 | 7 Good | Some minor problems. |
| 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 S 59 over Pumpkin Creek built?
It was built in 1962, making it 63 years old in 2025.
What condition is S 59 over Pumpkin Creek 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 April 2023.
How much traffic does S 59 over Pumpkin Creek carry?
About 660 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is S 59 over Pumpkin Creek?
The structure is 139 ft (42.4 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.
Who owns S 59 over Pumpkin Creek?
It is owned by the State Highway Agency.