31 Mile Road over Tupper Brook Drain
GoodMacomb County, Michigan · 0.5 MI West of North Ave · Structure no. 000000000006381
- Built
- 1964
- 61 years old, rebuilt 2022
- Condition
- Good
- inspected July 2024
- Type
- Box Beam or Girders - Single or Spread
- Steel
- Length
- 32 ft
- 1 main span
- Daily traffic
- 420
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
31 Mile Road over Tupper Brook Drain is a steel box beam or girders - single or spread carrying 31 Mile Road over Tupper Brook Drain in Macomb County, Michigan. It was built in 1964 and reconstructed in 2022, so it is 61 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 420 vehicles a day, roughly 2% of them trucks, projected to reach 512 by 2040. The structure is 32 ft (9.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 31 Mile Road over Tupper Brook Drain built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2022.
What condition is 31 Mile Road over Tupper Brook Drain in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.
How much traffic does 31 Mile Road over Tupper Brook Drain carry?
About 420 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is 31 Mile Road over Tupper Brook Drain?
The structure is 32 ft (9.9 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.
Who owns 31 Mile Road over Tupper Brook Drain?
It is owned by the County Highway Agency.