W Avenue over Portage River
GoodKalamazoo County, Michigan · 2 MI East of Vicksburg · Structure no. 000000000004624
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 4,271
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
W Avenue over Portage River is a prestressed concrete box beam or girders - multiple carrying W Avenue over Portage River in Kalamazoo County, Michigan. It was built in 1993, so it is 32 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 4,271 vehicles a day, roughly 3% of them trucks, projected to reach 6,923 by 2035. The structure is 60 ft (18.3 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 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 W Avenue over Portage River built?
It was built in 1993, making it 32 years old in 2025.
What condition is W Avenue over Portage 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 June 2023.
How much traffic does W Avenue over Portage River carry?
About 4,271 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is W Avenue over Portage River?
The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17 m) and a deck 44 ft wide.
Who owns W Avenue over Portage River?
It is owned by the County Highway Agency.