46th Street over S Br Macatawa River
PoorAllegan County, Michigan · Approx 0.75 S of Ottogan · Structure no. 000000000000291
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 41 ft
- 1 main span
- Daily traffic
- 550
- 2013 count
- Owner
- County
- County Highway Agency
About this bridge
46th Street over S Br Macatawa River is a prestressed concrete box beam or girders - multiple carrying 46th Street over S Br Macatawa River in Allegan County, Michigan. It was built in 1978, so it is 47 years old, younger 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 4 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 550 vehicles a day, roughly 7% of them trucks, projected to reach 817 by 2033. The structure is 41 ft (12.6 m) long and 31 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 46th Street over S Br Macatawa River built?
It was built in 1978, making it 47 years old in 2025.
What condition is 46th Street over S Br Macatawa 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 May 2023.
How much traffic does 46th Street over S Br Macatawa River carry?
About 550 vehicles per day (2013 count), of which roughly 7% are trucks.
How long is 46th Street over S Br Macatawa River?
The structure is 41 ft (12.6 m) long with a longest span of 41 ft (12.6 m) and a deck 31 ft wide.
Who owns 46th Street over S Br Macatawa River?
It is owned by the County Highway Agency.