Henderson Road over Shiawassee River
FairShiawassee County, Michigan · 5 Miles North of Owosso · Structure no. 000000000009799
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 160 ft
- 2 main spans
- Daily traffic
- 870
- 2011 count
- Owner
- County
- County Highway Agency
About this bridge
Henderson Road over Shiawassee River is a prestressed concrete box beam or girders - multiple carrying Henderson Road over Shiawassee River in Shiawassee County, Michigan. It was built in 1990, so it is 35 years old, younger 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 6 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 870 vehicles a day, roughly 10% of them trucks, projected to reach 1,293 by 2031. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Henderson Road over Shiawassee River built?
It was built in 1990, making it 35 years old in 2025.
What condition is Henderson Road over Shiawassee River 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 April 2024.
How much traffic does Henderson Road over Shiawassee River carry?
About 870 vehicles per day (2011 count), of which roughly 10% are trucks.
How long is Henderson Road over Shiawassee River?
The structure is 160 ft (48.8 m) long with a longest span of 77 ft (23.4 m) and a deck 43 ft wide.
Who owns Henderson Road over Shiawassee River?
It is owned by the County Highway Agency.