Lake Harbor Road over Mona Lake Channel
FairMuskegon County, Michigan · In Norton Shores · Structure no. 000000000007703
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 140 ft
- 3 main spans
- Daily traffic
- 8,000
- 2019 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Lake Harbor Road over Mona Lake Channel is a prestressed concrete box beam or girders - multiple carrying Lake Harbor Road over Mona Lake Channel in Muskegon County, Michigan. It was built in 1982, so it is 43 years old, younger 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 12,000 by 2039. The structure is 140 ft (42.7 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lake Harbor Road over Mona Lake Channel built?
It was built in 1982, making it 43 years old in 2025.
What condition is Lake Harbor Road over Mona Lake Channel 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 May 2023.
How much traffic does Lake Harbor Road over Mona Lake Channel carry?
About 8,000 vehicles per day (2019 count), of which roughly 3% are trucks.
How long is Lake Harbor Road over Mona Lake Channel?
The structure is 140 ft (42.7 m) long with a longest span of 80 ft (24.3 m) and a deck 44 ft wide.
Who owns Lake Harbor Road over Mona Lake Channel?
It is owned by the City or Municipal Highway Agency.