Ziegler Ave over US 20
GoodHamilton County, Iowa · 2.0 Miles East of SR R77 · Structure no. 000000000606190
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 268 ft
- 4 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ziegler Ave over US 20 is a prestressed concrete stringer/multi-beam or girder carrying Ziegler Ave over US 20 in Hamilton County, Iowa. It was built in 1990, so it is 35 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 268 ft (81.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ziegler Ave over US 20 built?
It was built in 1990, making it 35 years old in 2025.
What condition is Ziegler Ave over US 20 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 Ziegler Ave over US 20 carry?
About 20 vehicles per day (2022 count).
How long is Ziegler Ave over US 20?
The structure is 268 ft (81.7 m) long with a longest span of 92 ft (28 m) and a deck 33 ft wide.
Who owns Ziegler Ave over US 20?
It is owned by the State Highway Agency.