Bird Road over Shiawassee River
FairGenesee County, Michigan · Bet Silver Lake & Rolston · Structure no. 000000000002763
- Built
- 1936
- 89 years old
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 36 ft
- 1 main span
- Daily traffic
- 172
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Bird Road over Shiawassee River is a steel stringer/multi-beam or girder carrying Bird Road over Shiawassee River in Genesee County, Michigan. It was built in 1936, so it is 89 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 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 172 vehicles a day, roughly 2% of them trucks, projected to reach 250 by 2029. The structure is 36 ft (10.9 m) long and 33 ft wide.
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 | 7 Good | Some minor problems. |
| 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 Bird Road over Shiawassee River built?
It was built in 1936, making it 89 years old in 2025.
What condition is Bird 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 November 2024.
How much traffic does Bird Road over Shiawassee River carry?
About 172 vehicles per day (2009 count), of which roughly 2% are trucks.
How long is Bird Road over Shiawassee River?
The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 33 ft wide.
Who owns Bird Road over Shiawassee River?
It is owned by the County Highway Agency.