M-49 over ST Joseph River
PoorHillsdale County, Michigan · NE Limits of Camden · Structure no. 000000000003258
- Built
- 1985
- 40 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 75 ft
- 1 main span
- Daily traffic
- 2,262
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-49 over ST Joseph River is a prestressed concrete box beam or girders - multiple carrying M-49 over ST Joseph River in Hillsdale County, Michigan. It was built in 1985, so it is 40 years old, younger 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.
It carries about 2,262 vehicles a day, roughly 4% of them trucks, projected to reach 3,278 by 2018. The structure is 75 ft (22.8 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 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 M-49 over ST Joseph River built?
It was built in 1985, making it 40 years old in 2025.
What condition is M-49 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 May 2024.
How much traffic does M-49 over ST Joseph River carry?
About 2,262 vehicles per day (2007 count), of which roughly 4% are trucks.
How long is M-49 over ST Joseph River?
The structure is 75 ft (22.8 m) long with a longest span of 74 ft (22.6 m) and a deck 47 ft wide.
Who owns M-49 over ST Joseph River?
It is owned by the State Highway Agency.