R Ave over Branch of Blackhawk Crk
PoorPosted for loadGrundy County, Iowa · 088162302 · Structure no. 000000000164921
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 33 ft
- 2 main spans
- Daily traffic
- 50
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
R Ave over Branch of Blackhawk Crk is a wood or timber stringer/multi-beam or girder carrying R Ave over Branch of Blackhawk Crk in Grundy County, Iowa. It was built in 1976, so it is 49 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, projected to reach 50 by 2044. The structure is 33 ft (10.1 m) long and 24 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 R Ave over Branch of Blackhawk Crk built?
It was built in 1976, making it 49 years old in 2025.
What condition is R Ave over Branch of Blackhawk Crk in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does R Ave over Branch of Blackhawk Crk carry?
About 50 vehicles per day (2021 count).
How long is R Ave over Branch of Blackhawk Crk?
The structure is 33 ft (10.1 m) long with a longest span of 17 ft (5.2 m) and a deck 24 ft wide.
Who owns R Ave over Branch of Blackhawk Crk?
It is owned by the County Highway Agency.