M-50 over I-69
FairEaton County, Michigan · E Lts of Charlotte · Structure no. 000000000002257
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 235 ft
- 2 main spans
- Daily traffic
- 12,000
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
M-50 over I-69 is a steel stringer/multi-beam or girder carrying M-50 over I-69 in Eaton County, Michigan. It was built in 1971, so it is 54 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 12,000 vehicles a day, roughly 4% of them trucks, projected to reach 13,900 by 2030. The structure is 235 ft (71.6 m) long and 51 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-50 over I-69 built?
It was built in 1971, making it 54 years old in 2025.
What condition is M-50 over I-69 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.
How much traffic does M-50 over I-69 carry?
About 12,000 vehicles per day (2013 count), of which roughly 4% are trucks.
How long is M-50 over I-69?
The structure is 235 ft (71.6 m) long with a longest span of 117 ft (35.6 m) and a deck 51 ft wide.
Who owns M-50 over I-69?
It is owned by the State Highway Agency.