CR 180 over Black Duck Creek
GoodSt. Louis County, Minnesota · 13.1 MI N of JCT TH 53 · Structure no. 69A65
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 42 ft
- 1 main span
- Daily traffic
- 195
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
CR 180 over Black Duck Creek is a prestressed concrete stringer/multi-beam or girder carrying CR 180 over Black Duck Creek in St. Louis County, Minnesota. It was built in 2018, so it is 7 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 195 vehicles a day, projected to reach 56 by 2039. The structure is 42 ft (12.8 m) long and 31 ft wide. If it were closed, the detour would be 123 mi (198 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CR 180 over Black Duck Creek built?
It was built in 2018, making it 7 years old in 2025.
What condition is CR 180 over Black Duck Creek 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 CR 180 over Black Duck Creek carry?
About 195 vehicles per day (2019 count).
How long is CR 180 over Black Duck Creek?
The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.
Who owns CR 180 over Black Duck Creek?
It is owned by the County Highway Agency.