Plymouth Road over M-39 (southfield)
GoodWayne County, Michigan · In Detroit · Structure no. 000000000011693
- Built
- 1961
- 64 years old, rebuilt 2010
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 109 ft
- 2 main spans
- Daily traffic
- 34,400
- 1978 count
- Owner
- State
- State Highway Agency
About this bridge
Plymouth Road over M-39 (southfield) is a steel continuous stringer/multi-beam or girder carrying Plymouth Road over M-39 (southfield) in Wayne County, Michigan. It was built in 1961 and reconstructed in 2010, 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 34,400 vehicles a day, roughly 3% of them trucks, projected to reach 17,800 by 2029. The structure is 109 ft (33.1 m) long and 144 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Plymouth Road over M-39 (southfield) built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2010.
What condition is Plymouth Road over M-39 (southfield) 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 December 2023.
How much traffic does Plymouth Road over M-39 (southfield) carry?
About 34,400 vehicles per day (1978 count), of which roughly 3% are trucks.
How long is Plymouth Road over M-39 (southfield)?
The structure is 109 ft (33.1 m) long with a longest span of 53 ft (16.2 m) and a deck 144 ft wide.
Who owns Plymouth Road over M-39 (southfield)?
It is owned by the State Highway Agency.