Sfr 300 over Black Duck Creek
FairSt. Louis County, Minnesota · 3.2 MI E of TH 53 (240 · Structure no. R0033
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected October 2024
- Type
- Slab
- Wood or Timber
- Length
- 62 ft
- 3 main spans
- Daily traffic
- 4
- 1969 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
Sfr 300 over Black Duck Creek is a wood or timber slab carrying Sfr 300 over Black Duck Creek in St. Louis County, Minnesota. It was built in 1982, so it is 43 years old, older than the Minnesota average of 38.5 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.
It carries about 4 vehicles a day, projected to reach 4 by 2029. The structure is 62 ft (18.9 m) long and 18 ft wide. If it were closed, the detour would be 123 mi (198 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Sfr 300 over Black Duck Creek built?
It was built in 1982, making it 43 years old in 2025.
What condition is Sfr 300 over Black Duck Creek 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 October 2024.
How much traffic does Sfr 300 over Black Duck Creek carry?
About 4 vehicles per day (1969 count).
How long is Sfr 300 over Black Duck Creek?
The structure is 62 ft (18.9 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.
Who owns Sfr 300 over Black Duck Creek?
It is owned by the State Park, Forest, or Reservation Agency.