Csah 18 over Shallow River
GoodHubbard County, Minnesota · 2.1 MI W of JCT Csah 2 · Structure no. 29532
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 68 ft
- 3 main spans
- Daily traffic
- 957
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Csah 18 over Shallow River is a concrete continuous slab carrying Csah 18 over Shallow River in Hubbard County, Minnesota. It was built in 2013, so it is 12 years old, younger than the Minnesota average of 38.5 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 957 vehicles a day, projected to reach 900 by 2041. The structure is 68 ft (20.6 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 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 Csah 18 over Shallow River built?
It was built in 2013, making it 12 years old in 2025.
What condition is Csah 18 over Shallow River 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 September 2023.
How much traffic does Csah 18 over Shallow River carry?
About 957 vehicles per day (2021 count).
How long is Csah 18 over Shallow River?
The structure is 68 ft (20.6 m) long with a longest span of 25 ft (7.6 m) and a deck 35 ft wide.
Who owns Csah 18 over Shallow River?
It is owned by the County Highway Agency.