Ia 330 NB over North Timber Creek
GoodMarshall County, Iowa · 2.7 Miles S of JCT US 30 · Structure no. 000000000608730
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Concrete Continuous
- Length
- 132 ft
- 3 main spans
- Daily traffic
- 4,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 330 NB over North Timber Creek is a concrete continuous slab carrying Ia 330 NB over North Timber Creek 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 4,500 vehicles a day, roughly 16% of them trucks, projected to reach 4,500 by 2044. The structure is 132 ft (40.2 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 330 NB over North Timber Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Ia 330 NB over North Timber Creek 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 Ia 330 NB over North Timber Creek carry?
About 4,500 vehicles per day (2022 count), of which roughly 16% are trucks.
How long is Ia 330 NB over North Timber Creek?
The structure is 132 ft (40.2 m) long with a longest span of 49 ft (14.9 m) and a deck 43 ft wide.
Who owns Ia 330 NB over North Timber Creek?
It is owned by the State Highway Agency.