Harper Ave over Clinton Harrison Drain
GoodMacomb County, Michigan · Bet 15 Mile RD and I-94 · Structure no. 000000000006263
- Built
- 1964
- 61 years old, rebuilt 2002
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 84 ft
- 3 main spans
- Daily traffic
- 20,760
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Harper Ave over Clinton Harrison Drain is a steel stringer/multi-beam or girder carrying Harper Ave over Clinton Harrison Drain in Macomb County, Michigan. It was built in 1964 and reconstructed in 2002, 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 20,760 vehicles a day, roughly 5% of them trucks, projected to reach 27,964 by 2029. The structure is 84 ft (25.6 m) long and 71 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harper Ave over Clinton Harrison Drain built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2002.
What condition is Harper Ave over Clinton Harrison 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 2023.
How much traffic does Harper Ave over Clinton Harrison Drain carry?
About 20,760 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Harper Ave over Clinton Harrison Drain?
The structure is 84 ft (25.6 m) long with a longest span of 27 ft (8.2 m) and a deck 71 ft wide.
Who owns Harper Ave over Clinton Harrison Drain?
It is owned by the County Highway Agency.