FM over Black Hawk Creek
GoodGrundy County, Iowa · 088172802 · Structure no. 000000000165171
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected April 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 44 ft
- 1 main span
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Black Hawk Creek is a prestressed concrete tee beam carrying FM over Black Hawk Creek in Grundy County, Iowa. It was built in 2010, so it is 15 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 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 44 ft (13.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Black Hawk Creek built?
It was built in 2010, making it 15 years old in 2025.
What condition is FM over Black Hawk 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 2023.
How much traffic does FM over Black Hawk Creek carry?
About 20 vehicles per day (2022 count).
How long is FM over Black Hawk Creek?
The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.
Who owns FM over Black Hawk Creek?
It is owned by the County Highway Agency.