Prairie River Road over Prairie River
PoorPosted for loadSt. Joseph County, Michigan · 3 MI N of Sturgis · Structure no. 000000000010350
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected November 2024
- Type
- Slab
- Wood or Timber
- Length
- 52 ft
- 2 main spans
- Daily traffic
- 277
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Prairie River Road over Prairie River is a wood or timber slab carrying Prairie River Road over Prairie River in St. Joseph County, Michigan. It was built in 1967, so it is 58 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 277 vehicles a day, roughly 5% of them trucks, projected to reach 380 by 2023. The structure is 52 ft (15.8 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Prairie River Road over Prairie River built?
It was built in 1967, making it 58 years old in 2025.
What condition is Prairie River Road over Prairie 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 November 2024.
How much traffic does Prairie River Road over Prairie River carry?
About 277 vehicles per day (2003 count), of which roughly 5% are trucks.
How long is Prairie River Road over Prairie River?
The structure is 52 ft (15.8 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.
Who owns Prairie River Road over Prairie River?
It is owned by the County Highway Agency.