FM over Black Hawk Creek
GoodGrundy County, Iowa · 088152401 · Structure no. 000000000164751
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 204 ft
- 3 main spans
- Daily traffic
- 108
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Black Hawk Creek is a prestressed concrete stringer/multi-beam or girder carrying FM over Black Hawk Creek in Grundy County, Iowa. It was built in 1998, so it is 27 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 108 vehicles a day, projected to reach 108 by 2044. The structure is 204 ft (62.2 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Black Hawk Creek built?
It was built in 1998, making it 27 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 2024.
How much traffic does FM over Black Hawk Creek carry?
About 108 vehicles per day (2022 count).
How long is FM over Black Hawk Creek?
The structure is 204 ft (62.2 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.
Who owns FM over Black Hawk Creek?
It is owned by the County Highway Agency.