Road 70 S over Big Sandy Creek 021
GoodHill County, Montana · 14M SW Havre · Structure no. 000000000003151
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected March 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 98 ft
- 1 main span
- Daily traffic
- 33
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Road 70 S over Big Sandy Creek 021 is a prestressed concrete tee beam carrying Road 70 S over Big Sandy Creek 021 in Hill County, Montana. It was built in 2016, so it is 9 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 33 vehicles a day, roughly 3% of them trucks, projected to reach 35 by 2043. The structure is 98 ft (29.8 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Road 70 S over Big Sandy Creek 021 built?
It was built in 2016, making it 9 years old in 2025.
What condition is Road 70 S over Big Sandy Creek 021 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.
How much traffic does Road 70 S over Big Sandy Creek 021 carry?
About 33 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Road 70 S over Big Sandy Creek 021?
The structure is 98 ft (29.8 m) long with a longest span of 95 ft (29 m) and a deck 26 ft wide.
Who owns Road 70 S over Big Sandy Creek 021?
It is owned by the County Highway Agency.