US-23 over M-36
PoorLivingston County, Michigan · @ M-36 · Structure no. 000000000005732
- Built
- 1960
- 65 years old, rebuilt 2006
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 168 ft
- 3 main spans
- Daily traffic
- 64,800
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US-23 over M-36 is a steel stringer/multi-beam or girder carrying US-23 over M-36 in Livingston County, Michigan. It was built in 1960 and reconstructed in 2006, so it is 65 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 64,800 vehicles a day, roughly 12% of them trucks, projected to reach 73,400 by 2040. The structure is 168 ft (51.2 m) long and 58 ft wide.
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 | 4 Poor | Advanced section loss, deterioration, 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-23 over M-36 built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2006.
What condition is US-23 over M-36 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 July 2024.
How much traffic does US-23 over M-36 carry?
About 64,800 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is US-23 over M-36?
The structure is 168 ft (51.2 m) long with a longest span of 58 ft (17.7 m) and a deck 58 ft wide.
Who owns US-23 over M-36?
It is owned by the State Highway Agency.