330th-332nd Ave over US 20
GoodDelaware County, Iowa · 1.6 Mi. W of Ia 136 · Structure no. 000000000700370
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 255 ft
- 2 main spans
- Daily traffic
- 2,877
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
330th-332nd Ave over US 20 is a prestressed concrete stringer/multi-beam or girder carrying 330th-332nd Ave over US 20 in Delaware County, Iowa. It was built in 2016, so it is 9 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 2,877 vehicles a day, roughly 15% of them trucks, projected to reach 2,877 by 2044. The structure is 255 ft (77.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 330th-332nd Ave over US 20 built?
It was built in 2016, making it 9 years old in 2025.
What condition is 330th-332nd 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 January 2024.
How much traffic does 330th-332nd Ave over US 20 carry?
About 2,877 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is 330th-332nd Ave over US 20?
The structure is 255 ft (77.8 m) long with a longest span of 126 ft (38.4 m) and a deck 59 ft wide.
Who owns 330th-332nd Ave over US 20?
It is owned by the State Highway Agency.