Trinkle Road over Mill Creek
GoodWashtenaw County, Michigan · Lima Twp Sec 9 & 16 · Structure no. 000000000011017
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 72 ft
- 1 main span
- Daily traffic
- 233
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Trinkle Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Trinkle Road over Mill Creek in Washtenaw County, Michigan. It was built in 1997, so it is 28 years old, younger 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 233 vehicles a day, roughly 3% of them trucks, projected to reach 298 by 2023. The structure is 72 ft (22 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Trinkle Road over Mill Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is Trinkle Road over Mill Creek 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 2023.
How much traffic does Trinkle Road over Mill Creek carry?
About 233 vehicles per day (2003 count), of which roughly 3% are trucks.
How long is Trinkle Road over Mill Creek?
The structure is 72 ft (22 m) long with a longest span of 68 ft (20.7 m) and a deck 33 ft wide.
Who owns Trinkle Road over Mill Creek?
It is owned by the County Highway Agency.