M-73 over Brule River
GoodIron County, Michigan · @ Wisconsin ST Line · Structure no. 000000000004165
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 101 ft
- 2 main spans
- Daily traffic
- 685
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-73 over Brule River is a concrete continuous slab carrying M-73 over Brule River in Iron County, Michigan. It was built in 2003, so it is 22 years old, younger than the Michigan average of 48.3 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 685 vehicles a day, roughly 6% of them trucks, projected to reach 468 by 2018. The structure is 101 ft (30.8 m) long and 48 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-73 over Brule River built?
It was built in 2003, making it 22 years old in 2025.
What condition is M-73 over Brule 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 September 2024.
How much traffic does M-73 over Brule River carry?
About 685 vehicles per day (2007 count), of which roughly 6% are trucks.
How long is M-73 over Brule River?
The structure is 101 ft (30.8 m) long with a longest span of 50 ft (15.2 m) and a deck 48 ft wide.
Who owns M-73 over Brule River?
It is owned by the State Highway Agency.