Oberg RD over Vandalia South Canal 078
PoorPosted for loadValley County, Montana · 5M W Glasgow · Structure no. L53673000+09001
- Built
- 1989
- 36 years old
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 38 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Oberg RD over Vandalia South Canal 078 is a steel stringer/multi-beam or girder carrying Oberg RD over Vandalia South Canal 078 in Valley County, Montana. It was built in 1989, so it is 36 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 38 ft (11.6 m) long and 20 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Oberg RD over Vandalia South Canal 078 built?
It was built in 1989, making it 36 years old in 2025.
What condition is Oberg RD over Vandalia South Canal 078 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.
How much traffic does Oberg RD over Vandalia South Canal 078 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Oberg RD over Vandalia South Canal 078?
The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 20 ft wide.
Who owns Oberg RD over Vandalia South Canal 078?
It is owned by the County Highway Agency.