Twelfth Street over Conrail
GoodWayne County, Michigan · Twelfth ST N of Lafayette · Structure no. 000000000012370
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 161 ft
- 2 main spans
- Daily traffic
- 8,000
- 2015 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Twelfth Street over Conrail is a steel stringer/multi-beam or girder carrying Twelfth Street over Conrail in Wayne County, Michigan. It was built in 1984, so it is 41 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 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 9,200 by 2035. The structure is 161 ft (49 m) long and 114 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twelfth Street over Conrail built?
It was built in 1984, making it 41 years old in 2025.
What condition is Twelfth Street over Conrail 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 Twelfth Street over Conrail carry?
About 8,000 vehicles per day (2015 count), of which roughly 3% are trucks.
How long is Twelfth Street over Conrail?
The structure is 161 ft (49 m) long with a longest span of 97 ft (29.5 m) and a deck 114 ft wide.
Who owns Twelfth Street over Conrail?
It is owned by the City or Municipal Highway Agency.