155th Ave over Little Muskegon River
FairMecosta County, Michigan · 2.5 MI N of S County Line · Structure no. 000000000006765
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 86 ft
- 2 main spans
- Daily traffic
- 341
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
155th Ave over Little Muskegon River is a prestressed concrete box beam or girders - multiple carrying 155th Ave over Little Muskegon River in Mecosta County, Michigan. It was built in 1975, so it is 50 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 341 vehicles a day, roughly 4% of them trucks, projected to reach 396 by 2039. The structure is 86 ft (26.2 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 155th Ave over Little Muskegon River built?
It was built in 1975, making it 50 years old in 2025.
What condition is 155th Ave over Little Muskegon 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 August 2023.
How much traffic does 155th Ave over Little Muskegon River carry?
About 341 vehicles per day (2019 count), of which roughly 4% are trucks.
How long is 155th Ave over Little Muskegon River?
The structure is 86 ft (26.2 m) long with a longest span of 43 ft (13.1 m) and a deck 34 ft wide.
Who owns 155th Ave over Little Muskegon River?
It is owned by the County Highway Agency.