US 30 over Stream
GoodWhiteside County, Illinois · 3.6 MI W Rock Falls · Structure no. 098202200000000
- Built
- 1940
- 85 years old
- Condition
- Good
- inspected November 2023
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 5,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Stream is a concrete culvert carrying US 30 over Stream in Whiteside County, Illinois. It was built in 1940, so it is 85 years old, older than the Illinois average of 45.3 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 5,300 vehicles a day, roughly 11% of them trucks, projected to reach 4,798 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| 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 1940, making it 85 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 November 2023.
How much traffic does US 30 over Stream carry?
About 5,300 vehicles per day (2023 count), of which roughly 11% are trucks.
How long is US 30 over Stream?
The structure is 22 ft (6.7 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.