CR 99 over Rat Root River
GoodKoochiching County, Minnesota · 0.5 MI N of JCT Csah 29 · Structure no. 36532
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected October 2024
- Type
- Slab
- Concrete Continuous
- Length
- 70 ft
- 3 main spans
- Daily traffic
- 30
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
CR 99 over Rat Root River is a concrete continuous slab carrying CR 99 over Rat Root River in Koochiching County, Minnesota. It was built in 2022, so it is 3 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 30 vehicles a day, projected to reach 49 by 2041. The structure is 70 ft (21.2 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 CR 99 over Rat Root River built?
It was built in 2022, making it 3 years old in 2025.
What condition is CR 99 over Rat Root 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 October 2024.
How much traffic does CR 99 over Rat Root River carry?
About 30 vehicles per day (2021 count).
How long is CR 99 over Rat Root River?
The structure is 70 ft (21.2 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.
Who owns CR 99 over Rat Root River?
It is owned by the County Highway Agency.