US-12 over I-94
FairWashtenaw County, Michigan · 2.0 MI W of Ypsilanti · Structure no. 000000000010841
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 426 ft
- 4 main spans
- Daily traffic
- 20,815
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-12 over I-94 is a steel stringer/multi-beam or girder carrying US-12 over I-94 in Washtenaw County, Michigan. It was built in 1975, so it is 50 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 20,815 vehicles a day, roughly 6% of them trucks, projected to reach 30,194 by 2018. The structure is 426 ft (129.8 m) long and 94 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-12 over I-94 built?
It was built in 1975, making it 50 years old in 2025.
What condition is US-12 over I-94 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.
How much traffic does US-12 over I-94 carry?
About 20,815 vehicles per day (2007 count), of which roughly 6% are trucks.
How long is US-12 over I-94?
The structure is 426 ft (129.8 m) long with a longest span of 159 ft (48.4 m) and a deck 94 ft wide.
Who owns US-12 over I-94?
It is owned by the State Highway Agency.