Greenfield RD over US-12
GoodWayne County, Michigan · In Dearborn · Structure no. 000000000011315
- Built
- 1961
- 64 years old, rebuilt 2007
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 171 ft
- 4 main spans
- Daily traffic
- 21,800
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
Greenfield RD over US-12 is a prestressed concrete box beam or girders - single or spread carrying Greenfield RD over US-12 in Wayne County, Michigan. It was built in 1961 and reconstructed in 2007, so it is 64 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 21,800 vehicles a day, roughly 4% of them trucks, projected to reach 22,900 by 2027. The structure is 171 ft (52 m) long and 143 ft wide.
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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Greenfield RD over US-12 built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.
What condition is Greenfield RD over US-12 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 October 2024.
How much traffic does Greenfield RD over US-12 carry?
About 21,800 vehicles per day (2007 count), of which roughly 4% are trucks.
How long is Greenfield RD over US-12?
The structure is 171 ft (52 m) long with a longest span of 54 ft (16.5 m) and a deck 143 ft wide.
Who owns Greenfield RD over US-12?
It is owned by the State Highway Agency.