Forest Road 2270 over Sturgeon River
FairPosted for loadHoughton County, Michigan · S End of Prickett Lake · Structure no. 090705000001004
- Built
- 1954
- 71 years old, rebuilt 1995
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 148 ft
- 3 main spans
- Daily traffic
- 50
- Owner
- Federal
- U.S. Forest Service
About this bridge
Forest Road 2270 over Sturgeon River is a steel continuous stringer/multi-beam or girder carrying Forest Road 2270 over Sturgeon River in Houghton County, Michigan. It was built in 1954 and reconstructed in 1995, so it is 71 years old, older than the Michigan average of 48.3 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, projected to reach 75 by 2045. The structure is 148 ft (45.1 m) long and 16 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Forest Road 2270 over Sturgeon River built?
It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1995.
What condition is Forest Road 2270 over Sturgeon River 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 September 2024.
How much traffic does Forest Road 2270 over Sturgeon River carry?
About 50 vehicles per day (latest count).
How long is Forest Road 2270 over Sturgeon River?
The structure is 148 ft (45.1 m) long with a longest span of 55 ft (16.8 m) and a deck 16 ft wide.
Who owns Forest Road 2270 over Sturgeon River?
It is owned by the U.S. Forest Service.