Arnheim Road over Sturgeon River
FairBaraga County, Michigan · 14 MI N of Baraga · Structure no. 000000000000509
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 160 ft
- 3 main spans
- Daily traffic
- 194
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Arnheim Road over Sturgeon River is a prestressed concrete continuous stringer/multi-beam or girder carrying Arnheim Road over Sturgeon River in Baraga County, Michigan. It was built in 1976, so it is 49 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.
It carries about 194 vehicles a day, roughly 4% of them trucks, projected to reach 350 by 2035. The structure is 160 ft (48.9 m) long and 33 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Arnheim Road over Sturgeon River built?
It was built in 1976, making it 49 years old in 2025.
What condition is Arnheim Road 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 2023.
How much traffic does Arnheim Road over Sturgeon River carry?
About 194 vehicles per day (2015 count), of which roughly 4% are trucks.
How long is Arnheim Road over Sturgeon River?
The structure is 160 ft (48.9 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.
Who owns Arnheim Road over Sturgeon River?
It is owned by the County Highway Agency.