Hollenbeck RD over Gannon Creek
GoodLinn County, Iowa · 084082906 · Structure no. 000000000221801
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Wood or Timber
- Length
- 96 ft
- 4 main spans
- Daily traffic
- 97
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Hollenbeck RD over Gannon Creek is a wood or timber slab carrying Hollenbeck RD over Gannon Creek in Linn 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 97 vehicles a day, projected to reach 97 by 2044. The structure is 96 ft (29.3 m) long and 25 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Hollenbeck RD over Gannon Creek built?
It was built in 1998, making it 27 years old in 2025.
What condition is Hollenbeck RD over Gannon 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 August 2024.
How much traffic does Hollenbeck RD over Gannon Creek carry?
About 97 vehicles per day (2022 count).
How long is Hollenbeck RD over Gannon Creek?
The structure is 96 ft (29.3 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.
Who owns Hollenbeck RD over Gannon Creek?
It is owned by the County Highway Agency.