180th ST over Black Hawk Creek
GoodGrundy County, Iowa · 088151801 · Structure no. 000000000164691
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected April 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 167 ft
- 3 main spans
- Daily traffic
- 44
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
180th ST over Black Hawk Creek is a prestressed concrete stringer/multi-beam or girder carrying 180th ST over Black Hawk Creek in Grundy County, Iowa. It was built in 2015, so it is 10 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 44 vehicles a day, projected to reach 44 by 2043. The structure is 167 ft (50.9 m) long and 33 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| 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 180th ST over Black Hawk Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is 180th ST 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 2022.
How much traffic does 180th ST over Black Hawk Creek carry?
About 44 vehicles per day (2022 count).
How long is 180th ST over Black Hawk Creek?
The structure is 167 ft (50.9 m) long with a longest span of 61 ft (18.6 m) and a deck 33 ft wide.
Who owns 180th ST over Black Hawk Creek?
It is owned by the County Highway Agency.