Local over Br Blackhawk Creek
FairGrundy County, Iowa · 087170202 · Structure no. 000000000164311
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 59
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Local over Br Blackhawk Creek is a concrete continuous slab carrying Local over Br Blackhawk Creek in Grundy County, Iowa. It was built in 1979, so it is 46 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 59 vehicles a day, projected to reach 59 by 2044. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Local over Br Blackhawk Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Local over Br Blackhawk Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does Local over Br Blackhawk Creek carry?
About 59 vehicles per day (2022 count).
How long is Local over Br Blackhawk Creek?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.
Who owns Local over Br Blackhawk Creek?
It is owned by the County Highway Agency.