Broomfield Road over Onion Creek
GoodIsabella County, Michigan · Sec 23-26 Chippewa Twp · Structure no. 000000000004321
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 236
- 2000 count
- Owner
- County
- County Highway Agency
About this bridge
Broomfield Road over Onion Creek is a prestressed concrete box beam or girders - multiple carrying Broomfield Road over Onion Creek in Isabella County, Michigan. It was built in 1992, so it is 33 years old, younger 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 236 vehicles a day, projected to reach 289 by 2020. The structure is 51 ft (15.5 m) long and 34 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Broomfield Road over Onion Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is Broomfield Road over Onion Creek 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 May 2024.
How much traffic does Broomfield Road over Onion Creek carry?
About 236 vehicles per day (2000 count).
How long is Broomfield Road over Onion Creek?
The structure is 51 ft (15.5 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.
Who owns Broomfield Road over Onion Creek?
It is owned by the County Highway Agency.