33 Mile Road over N B Clinton River
PoorPosted for loadMacomb County, Michigan · 0.2 MI East of Powell RD · Structure no. 000000000006285
- Built
- 1955
- 70 years old
- Condition
- Poor
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 38 ft
- 1 main span
- Daily traffic
- 760
- 2016 count
- Owner
- County
- County Highway Agency
About this bridge
33 Mile Road over N B Clinton River is a steel stringer/multi-beam or girder carrying 33 Mile Road over N B Clinton River in Macomb County, Michigan. It was built in 1955, so it is 70 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 760 vehicles a day, roughly 2% of them trucks, projected to reach 636 by 2029. The structure is 38 ft (11.5 m) long and 30 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 33 Mile Road over N B Clinton River built?
It was built in 1955, making it 70 years old in 2025.
What condition is 33 Mile Road over N B Clinton 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 33 Mile Road over N B Clinton River carry?
About 760 vehicles per day (2016 count), of which roughly 2% are trucks.
How long is 33 Mile Road over N B Clinton River?
The structure is 38 ft (11.5 m) long with a longest span of 36 ft (10.9 m) and a deck 30 ft wide.
Who owns 33 Mile Road over N B Clinton River?
It is owned by the County Highway Agency.