B Drive North over Kalamazoo River
PoorPosted for loadCalhoun County, Michigan · 2 MI W of Albion · Structure no. 000000000001379
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 70 ft
- 3 main spans
- Daily traffic
- 1,740
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
B Drive North over Kalamazoo River is a wood or timber slab carrying B Drive North over Kalamazoo River in Calhoun County, Michigan. It was built in 1970, so it is 55 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 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. Its operating status is: posted for load restriction.
It carries about 1,740 vehicles a day, roughly 5% of them trucks, projected to reach 3,246 by 2024. The structure is 70 ft (21.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was B Drive North over Kalamazoo River built?
It was built in 1970, making it 55 years old in 2025.
What condition is B Drive North over Kalamazoo 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 B Drive North over Kalamazoo River carry?
About 1,740 vehicles per day (1994 count), of which roughly 5% are trucks.
How long is B Drive North over Kalamazoo River?
The structure is 70 ft (21.3 m) long with a longest span of 26 ft (7.9 m) and a deck 33 ft wide.
Who owns B Drive North over Kalamazoo River?
It is owned by the County Highway Agency.