84th Ave over S Branch of Black River
GoodOttawa County, Michigan · Section 32 Zeeland Twp · Structure no. 000000000008930
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 350
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
84th Ave over S Branch of Black River is a prestressed concrete box beam or girders - multiple carrying 84th Ave over S Branch of Black River in Ottawa County, Michigan. It was built in 1974, so it is 51 years old, older 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 630 by 2040. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 84th Ave over S Branch of Black River built?
It was built in 1974, making it 51 years old in 2025.
What condition is 84th Ave over S Branch of Black 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 October 2024.
How much traffic does 84th Ave over S Branch of Black River carry?
About 350 vehicles per day (2020 count), of which roughly 5% are trucks.
How long is 84th Ave over S Branch of Black River?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.
Who owns 84th Ave over S Branch of Black River?
It is owned by the County Highway Agency.