Ia 330 SB over North Skunk River
GoodMarshall County, Iowa · 0.9 MI N of N JCT SR S52 · Structure no. 000000000608720
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 219 ft
- 3 main spans
- Daily traffic
- 4,150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 330 SB over North Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Ia 330 SB over North Skunk River in Marshall County, Iowa. It was built in 2002, so it is 23 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 4,150 vehicles a day, roughly 18% of them trucks, projected to reach 4,150 by 2044. The structure is 219 ft (66.8 m) long and 43 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 | 9 Excellent | No problems noted. |
| 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 Ia 330 SB over North Skunk River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Ia 330 SB over North Skunk 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 February 2024.
How much traffic does Ia 330 SB over North Skunk River carry?
About 4,150 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Ia 330 SB over North Skunk River?
The structure is 219 ft (66.8 m) long with a longest span of 82 ft (25 m) and a deck 43 ft wide.
Who owns Ia 330 SB over North Skunk River?
It is owned by the State Highway Agency.