FM over Br N Blackhawk Creek
GoodGrundy County, Iowa · 088160101 · Structure no. 000000000025881
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 243 ft
- 3 main spans
- Daily traffic
- 786
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Br N Blackhawk Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Br N Blackhawk Creek in Grundy County, Iowa. It was built in 2004, so it is 21 years old, younger than the Iowa average of 45.5 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 786 vehicles a day, roughly 12% of them trucks, projected to reach 786 by 2044. The structure is 243 ft (74.1 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Br N Blackhawk Creek built?
It was built in 2004, making it 21 years old in 2025.
What condition is FM over Br N Blackhawk 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 April 2024.
How much traffic does FM over Br N Blackhawk Creek carry?
About 786 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is FM over Br N Blackhawk Creek?
The structure is 243 ft (74.1 m) long with a longest span of 106 ft (32.3 m) and a deck 34 ft wide.
Who owns FM over Br N Blackhawk Creek?
It is owned by the County Highway Agency.