US 30 over Stream
GoodCarroll County, Iowa · 0.3 Mi. W of W JCT SR M68 · Structure no. 000000000017051
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 3,670
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Stream is a concrete continuous culvert carrying US 30 over Stream in Carroll County, Iowa. It was built in 1997, so it is 28 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 3,670 vehicles a day, roughly 20% of them trucks, projected to reach 3,670 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 14.3 mi (23 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 over Stream built?
It was built in 1997, making it 28 years old in 2025.
What condition is US 30 over Stream 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 October 2024.
How much traffic does US 30 over Stream carry?
About 3,670 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is US 30 over Stream?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns US 30 over Stream?
It is owned by the State Highway Agency.