R Drive South over ST Joseph River
PoorPosted for loadCalhoun County, Michigan · 2 1/2 MI SW of Homer · Structure no. 000000000001355
- Built
- 1973
- 52 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 60 ft
- 2 main spans
- Daily traffic
- 78
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
R Drive South over ST Joseph River is a wood or timber slab carrying R Drive South over ST Joseph River in Calhoun County, Michigan. It was built in 1973, so it is 52 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 78 vehicles a day, roughly 5% of them trucks, projected to reach 146 by 2024. The structure is 60 ft (18.2 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was R Drive South over ST Joseph River built?
It was built in 1973, making it 52 years old in 2025.
What condition is R Drive South over ST Joseph 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 R Drive South over ST Joseph River carry?
About 78 vehicles per day (1994 count), of which roughly 5% are trucks.
How long is R Drive South over ST Joseph River?
The structure is 60 ft (18.2 m) long with a longest span of 30 ft (9.1 m) and a deck 30 ft wide.
Who owns R Drive South over ST Joseph River?
It is owned by the County Highway Agency.