M-90 over N Branch Flint River
PoorLapeer County, Michigan · 0.8 MI E of M-24 · Structure no. 000000000005364
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 3,217
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-90 over N Branch Flint River is a steel continuous stringer/multi-beam or girder carrying M-90 over N Branch Flint River in Lapeer County, Michigan. It was built in 1965, so it is 60 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.
It carries about 3,217 vehicles a day, roughly 7% of them trucks, projected to reach 3,522 by 2018. The structure is 128 ft (39 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 M-90 over N Branch Flint River built?
It was built in 1965, making it 60 years old in 2025.
What condition is M-90 over N Branch Flint 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 April 2024.
How much traffic does M-90 over N Branch Flint River carry?
About 3,217 vehicles per day (2007 count), of which roughly 7% are trucks.
How long is M-90 over N Branch Flint River?
The structure is 128 ft (39 m) long with a longest span of 50 ft (15.2 m) and a deck 46 ft wide.
Who owns M-90 over N Branch Flint River?
It is owned by the State Highway Agency.