Alden Road over Stream
GoodMcHenry County, Illinois · 0.6 S Altenberg RD · Structure no. 056320000000000
- Built
- 1961
- 64 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 33 ft
- 3 main spans
- Daily traffic
- 3,050
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Alden Road over Stream is a concrete culvert carrying Alden Road over Stream in McHenry County, Illinois. It was built in 1961, so it is 64 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 3,050 vehicles a day, roughly 8% of them trucks, projected to reach 3,660 by 2046. The structure is 33 ft (10.1 m) long and 40 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Alden Road over Stream built?
It was built in 1961, making it 64 years old in 2025.
What condition is Alden Road 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 September 2024.
How much traffic does Alden Road over Stream carry?
About 3,050 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is Alden Road over Stream?
The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m) and a deck 40 ft wide.
Who owns Alden Road over Stream?
It is owned by the County Highway Agency.