Cavanaugh Lake RD over Letts Creek
GoodWashtenaw County, Michigan · 0.6 MI E of Conway RD · Structure no. 000000000014050
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Aluminum, Wrought Iron, or Cast Iron
- Length
- 23 ft
- 1 main span
- Daily traffic
- 1,530
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Cavanaugh Lake RD over Letts Creek is a aluminum, wrought iron, or cast iron culvert carrying Cavanaugh Lake RD over Letts Creek in Washtenaw County, Michigan. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,530 vehicles a day, roughly 5% of them trucks, projected to reach 1,890 by 2038. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cavanaugh Lake RD over Letts Creek built?
It was built in 2020, making it 5 years old in 2025.
What condition is Cavanaugh Lake RD over Letts 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 Cavanaugh Lake RD over Letts Creek carry?
About 1,530 vehicles per day (2018 count), of which roughly 5% are trucks.
How long is Cavanaugh Lake RD over Letts Creek?
The structure is 23 ft (6.9 m) long with a longest span of 23 ft (6.9 m).
Who owns Cavanaugh Lake RD over Letts Creek?
It is owned by the County Highway Agency.