Horse Mill Road over Thorofare Canal
FairWayne County, Michigan · Grosse Ile E/Meridian · Structure no. 000000000012271
- Built
- 1937
- 88 years old, rebuilt 2000
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 1,338
- 2001 count
- Owner
- County
- County Highway Agency
About this bridge
Horse Mill Road over Thorofare Canal is a prestressed concrete box beam or girders - multiple carrying Horse Mill Road over Thorofare Canal in Wayne County, Michigan. It was built in 1937 and reconstructed in 2000, so it is 88 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 1,338 vehicles a day, roughly 1% of them trucks, projected to reach 1,520 by 2015. The structure is 82 ft (25 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Horse Mill Road over Thorofare Canal built?
It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2000.
What condition is Horse Mill Road over Thorofare Canal 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 October 2024.
How much traffic does Horse Mill Road over Thorofare Canal carry?
About 1,338 vehicles per day (2001 count), of which roughly 1% are trucks.
How long is Horse Mill Road over Thorofare Canal?
The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 46 ft wide.
Who owns Horse Mill Road over Thorofare Canal?
It is owned by the County Highway Agency.