Grantsdale RD over Skalkaho CR Overflow 040
FairPosted for loadRavalli County, Montana · Grantsdale · Structure no. L41320000+06001
- Built
- 1935
- 90 years old
- Condition
- Fair
- inspected November 2024
- Type
- Tee Beam
- Concrete
- Length
- 22 ft
- 1 main span
- Daily traffic
- 474
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Grantsdale RD over Skalkaho CR Overflow 040 is a concrete tee beam carrying Grantsdale RD over Skalkaho CR Overflow 040 in Ravalli County, Montana. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 474 vehicles a day, roughly 1% of them trucks, projected to reach 505 by 2043. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Grantsdale RD over Skalkaho CR Overflow 040 built?
It was built in 1935, making it 90 years old in 2025.
What condition is Grantsdale RD over Skalkaho CR Overflow 040 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 November 2024.
How much traffic does Grantsdale RD over Skalkaho CR Overflow 040 carry?
About 474 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Grantsdale RD over Skalkaho CR Overflow 040?
The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.
Who owns Grantsdale RD over Skalkaho CR Overflow 040?
It is owned by the County Highway Agency.