M-46 over N Branch White Creek
FairSanilac County, Michigan · 2.2 MI E of Tuscola Col · Structure no. 000000000009476
- Built
- 1932
- 93 years old, rebuilt 1982
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete
- Length
- 27 ft
- 1 main span
- Daily traffic
- 3,484
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
M-46 over N Branch White Creek is a concrete tee beam carrying M-46 over N Branch White Creek in Sanilac County, Michigan. It was built in 1932 and reconstructed in 1982, so it is 93 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 5 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 3,484 vehicles a day, roughly 9% of them trucks, projected to reach 6,126 by 2018. The structure is 27 ft (8.2 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-46 over N Branch White Creek built?
It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1982.
What condition is M-46 over N Branch White Creek 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 2024.
How much traffic does M-46 over N Branch White Creek carry?
About 3,484 vehicles per day (2007 count), of which roughly 9% are trucks.
How long is M-46 over N Branch White Creek?
The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 46 ft wide.
Who owns M-46 over N Branch White Creek?
It is owned by the State Highway Agency.