I-94 WB over Harper RD
GoodMacomb County, Michigan · 0.7 MI S of M-29 · Structure no. 000000000006167
- Built
- 1964
- 61 years old, rebuilt 2006
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 174 ft
- 3 main spans
- Daily traffic
- 49,849
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-94 WB over Harper RD is a steel stringer/multi-beam or girder carrying I-94 WB over Harper RD in Macomb County, Michigan. It was built in 1964 and reconstructed in 2006, 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 49,849 vehicles a day, roughly 5% of them trucks, projected to reach 45,709 by 2018. The structure is 174 ft (53 m) long and 74 ft wide. 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-94 WB over Harper RD built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2006.
What condition is I-94 WB over Harper RD 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 June 2023.
How much traffic does I-94 WB over Harper RD carry?
About 49,849 vehicles per day (2007 count), of which roughly 5% are trucks.
How long is I-94 WB over Harper RD?
The structure is 174 ft (53 m) long with a longest span of 80 ft (24.3 m) and a deck 74 ft wide.
Who owns I-94 WB over Harper RD?
It is owned by the State Highway Agency.