9 Mile Road over ST Joseph River
PoorPosted for loadCalhoun County, Michigan · 2 1/2 MI SW of Burlington · Structure no. 000000000001352
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 104 ft
- 4 main spans
- Daily traffic
- 580
- 1994 count
- Owner
- County
- County Highway Agency
About this bridge
9 Mile Road over ST Joseph River is a wood or timber slab carrying 9 Mile Road over ST Joseph River in Calhoun County, Michigan. It was built in 1968, so it is 57 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 580 vehicles a day, roughly 5% of them trucks, projected to reach 1,082 by 2024. The structure is 104 ft (31.7 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 9 Mile Road over ST Joseph River built?
It was built in 1968, making it 57 years old in 2025.
What condition is 9 Mile Road 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 9 Mile Road over ST Joseph River carry?
About 580 vehicles per day (1994 count), of which roughly 5% are trucks.
How long is 9 Mile Road over ST Joseph River?
The structure is 104 ft (31.7 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.
Who owns 9 Mile Road over ST Joseph River?
It is owned by the County Highway Agency.