Y Avenue over Portage River
FairKalamazoo County, Michigan · 1.8MI S 1.7MI E of Vicks · Structure no. 000000000004648
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Y Avenue over Portage River is a prestressed concrete box beam or girders - multiple carrying Y Avenue over Portage River in Kalamazoo County, Michigan. It was built in 1973, so it is 52 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 6 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 60 vehicles a day, roughly 8% of them trucks, projected to reach 70 by 2042. The structure is 43 ft (13 m) long and 31 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Y Avenue over Portage River built?
It was built in 1973, making it 52 years old in 2025.
What condition is Y Avenue over Portage 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 March 2024.
How much traffic does Y Avenue over Portage River carry?
About 60 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is Y Avenue over Portage River?
The structure is 43 ft (13 m) long with a longest span of 41 ft (12.4 m) and a deck 31 ft wide.
Who owns Y Avenue over Portage River?
It is owned by the County Highway Agency.