Local over Blackhawk Creek Branch
GoodGrundy County, Iowa · 087180302 · Structure no. 000000000164421
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 70
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local over Blackhawk Creek Branch is a concrete continuous culvert carrying Local over Blackhawk Creek Branch in Grundy County, Iowa. It was built in 1977, so it is 48 years old, older 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 70 vehicles a day, projected to reach 70 by 2044. The structure is 28 ft (8.5 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Local over Blackhawk Creek Branch built?
It was built in 1977, making it 48 years old in 2025.
What condition is Local over Blackhawk Creek Branch 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 Local over Blackhawk Creek Branch carry?
About 70 vehicles per day (2022 count).
How long is Local over Blackhawk Creek Branch?
The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m).
Who owns Local over Blackhawk Creek Branch?
It is owned by the County Highway Agency.