Blissfield HWY over Swamp Raisin Drain
GoodLenawee County, Michigan · 0.1 MI North of Mcmahon · Structure no. 000000000005601
- Built
- 1968
- 57 years old, rebuilt 1998
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Wood or Timber
- Length
- 26 ft
- 1 main span
- Daily traffic
- 954
- 2012 count
- Owner
- County
- County Highway Agency
About this bridge
Blissfield HWY over Swamp Raisin Drain is a wood or timber slab carrying Blissfield HWY over Swamp Raisin Drain in Lenawee County, Michigan. It was built in 1968 and reconstructed in 1998, so it is 57 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 954 vehicles a day, roughly 2% of them trucks, projected to reach 1,500 by 2031. The structure is 26 ft (7.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 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 Blissfield HWY over Swamp Raisin Drain built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1998.
What condition is Blissfield HWY over Swamp Raisin Drain 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 March 2023.
How much traffic does Blissfield HWY over Swamp Raisin Drain carry?
About 954 vehicles per day (2012 count), of which roughly 2% are trucks.
How long is Blissfield HWY over Swamp Raisin Drain?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.
Who owns Blissfield HWY over Swamp Raisin Drain?
It is owned by the County Highway Agency.