64th Street over N Br of Black River
PoorAllegan County, Michigan · Approx 0.60 MI S of 116th · Structure no. 000000000000191
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected September 2024
- Type
- Culvert
- Steel
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 324
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
64th Street over N Br of Black River is a steel culvert carrying 64th Street over N Br of Black River in Allegan County, Michigan. It was built in 1966, so it is 59 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 324 vehicles a day, roughly 7% of them trucks, projected to reach 648 by 2023. The structure is 31 ft (9.4 m) long. 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 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 64th Street over N Br of Black River built?
It was built in 1966, making it 59 years old in 2025.
What condition is 64th Street over N Br of Black River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.
How much traffic does 64th Street over N Br of Black River carry?
About 324 vehicles per day (2003 count), of which roughly 7% are trucks.
How long is 64th Street over N Br of Black River?
The structure is 31 ft (9.4 m) long with a longest span of 12 ft (3.8 m).
Who owns 64th Street over N Br of Black River?
It is owned by the County Highway Agency.