Prairie Corner RD over ST Joseph River
PoorPosted for loadSt. Joseph County, Michigan · 2.5 MI SW of Mendon · Structure no. 000000000010377
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected November 2024
- Type
- Slab
- Wood or Timber
- Length
- 156 ft
- 6 main spans
- Daily traffic
- 466
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Prairie Corner RD over ST Joseph River is a wood or timber slab carrying Prairie Corner RD over ST Joseph River in St. Joseph County, Michigan. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.
It carries about 466 vehicles a day, roughly 5% of them trucks, projected to reach 721 by 2023. The structure is 156 ft (47.5 m) long and 31 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 Prairie Corner RD over ST Joseph River built?
It was built in 1974, making it 51 years old in 2025.
What condition is Prairie Corner RD 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 November 2024.
How much traffic does Prairie Corner RD over ST Joseph River carry?
About 466 vehicles per day (2003 count), of which roughly 5% are trucks.
How long is Prairie Corner RD over ST Joseph River?
The structure is 156 ft (47.5 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.
Who owns Prairie Corner RD over ST Joseph River?
It is owned by the County Highway Agency.