Michigan Avenue over S Branch River Raisin
FairLenawee County, Michigan · In Adrian · Structure no. 000000000005714
- Built
- 1949
- 76 years old, rebuilt 2000
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 75 ft
- 1 main span
- Daily traffic
- 3,800
- 2006 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Michigan Avenue over S Branch River Raisin is a steel stringer/multi-beam or girder carrying Michigan Avenue over S Branch River Raisin in Lenawee County, Michigan. It was built in 1949 and reconstructed in 2000, so it is 76 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 3,800 vehicles a day, roughly 3% of them trucks, projected to reach 4,370 by 2026. The structure is 75 ft (23 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Michigan Avenue over S Branch River Raisin built?
It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2000.
What condition is Michigan Avenue over S Branch River Raisin 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 2023.
How much traffic does Michigan Avenue over S Branch River Raisin carry?
About 3,800 vehicles per day (2006 count), of which roughly 3% are trucks.
How long is Michigan Avenue over S Branch River Raisin?
The structure is 75 ft (23 m) long with a longest span of 72 ft (22 m) and a deck 56 ft wide.
Who owns Michigan Avenue over S Branch River Raisin?
It is owned by the City or Municipal Highway Agency.