Alderman RD over Trib Wapsipinicon River
GoodLinn County, Iowa · 085052806 · Structure no. 000000000222011
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected September 2024
- Type
- Slab
- Wood or Timber
- Length
- 48 ft
- 2 main spans
- Daily traffic
- 33
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Alderman RD over Trib Wapsipinicon River is a wood or timber slab carrying Alderman RD over Trib Wapsipinicon River in Linn County, Iowa. It was built in 2007, so it is 18 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 33 vehicles a day, projected to reach 33 by 2044. The structure is 48 ft (14.6 m) long and 24 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 Alderman RD over Trib Wapsipinicon River built?
It was built in 2007, making it 18 years old in 2025.
What condition is Alderman RD over Trib Wapsipinicon River 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 September 2024.
How much traffic does Alderman RD over Trib Wapsipinicon River carry?
About 33 vehicles per day (2022 count).
How long is Alderman RD over Trib Wapsipinicon River?
The structure is 48 ft (14.6 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.
Who owns Alderman RD over Trib Wapsipinicon River?
It is owned by the County Highway Agency.