Route 434 over Day S River
GoodDelta County, Michigan · 1.5 MI SW of Brampton · Structure no. 000000000002119
- Built
- 1959
- 66 years old, rebuilt 2004
- Condition
- Good
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 148
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Route 434 over Day S River is a prestressed concrete tee beam carrying Route 434 over Day S River in Delta County, Michigan. It was built in 1959 and reconstructed in 2004, so it is 66 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 148 vehicles a day, roughly 18% of them trucks, projected to reach 163 by 2041. The structure is 34 ft (10.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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. |
| 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 Route 434 over Day S River built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2004.
What condition is Route 434 over Day S River 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 June 2023.
How much traffic does Route 434 over Day S River carry?
About 148 vehicles per day (2021 count), of which roughly 18% are trucks.
How long is Route 434 over Day S River?
The structure is 34 ft (10.3 m) long with a longest span of 33 ft (10 m) and a deck 33 ft wide.
Who owns Route 434 over Day S River?
It is owned by the County Highway Agency.