Lake Gogebic Road over Slate River
PoorGogebic County, Michigan · Sec 3 Marenisco Twp · Structure no. 000000000002999
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 95 ft
- 3 main spans
- Daily traffic
- 400
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Lake Gogebic Road over Slate River is a prestressed concrete box beam or girders - multiple carrying Lake Gogebic Road over Slate River in Gogebic County, Michigan. It was built in 1978, so it is 47 years old, younger than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 400 vehicles a day, roughly 3% of them trucks, projected to reach 400 by 2037. The structure is 95 ft (28.9 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lake Gogebic Road over Slate River built?
It was built in 1978, making it 47 years old in 2025.
What condition is Lake Gogebic Road over Slate River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does Lake Gogebic Road over Slate River carry?
About 400 vehicles per day (2017 count), of which roughly 3% are trucks.
How long is Lake Gogebic Road over Slate River?
The structure is 95 ft (28.9 m) long with a longest span of 32 ft (9.7 m) and a deck 31 ft wide.
Who owns Lake Gogebic Road over Slate River?
It is owned by the County Highway Agency.