330th ST over Nishnabotna River
GoodMills County, Iowa · 071411502 · Structure no. 000000000245041
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected April 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 389 ft
- 4 main spans
- Daily traffic
- 329
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
330th ST over Nishnabotna River is a prestressed concrete stringer/multi-beam or girder carrying 330th ST over Nishnabotna River in Mills County, Iowa. It was built in 2015, so it is 10 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 329 vehicles a day, roughly 22% of them trucks, projected to reach 329 by 2043. The structure is 389 ft (118.5 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 330th ST over Nishnabotna River built?
It was built in 2015, making it 10 years old in 2025.
What condition is 330th ST over Nishnabotna 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 April 2021.
How much traffic does 330th ST over Nishnabotna River carry?
About 329 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is 330th ST over Nishnabotna River?
The structure is 389 ft (118.5 m) long with a longest span of 96 ft (29.4 m) and a deck 33 ft wide.
Who owns 330th ST over Nishnabotna River?
It is owned by the County Highway Agency.