Il 71 over Inter Stream
GoodLaSalle County, Illinois · .27 Mile N US 6 · Structure no. 050023600000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected January 2021
- Type
- Frame
- Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 7,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 71 over Inter Stream is a concrete frame carrying Il 71 over Inter Stream in LaSalle County, Illinois. It was built in 1999, so it is 26 years old, younger 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 7,400 vehicles a day, roughly 9% of them trucks, projected to reach 7,474 by 2046. The structure is 35 ft (10.8 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Superstructure | 7 Good | Some minor problems. |
| 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 Il 71 over Inter Stream built?
It was built in 1999, making it 26 years old in 2025.
What condition is Il 71 over Inter 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 January 2021.
How much traffic does Il 71 over Inter Stream carry?
About 7,400 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Il 71 over Inter Stream?
The structure is 35 ft (10.8 m) long with a longest span of 34 ft (10.5 m) and a deck 70 ft wide.
Who owns Il 71 over Inter Stream?
It is owned by the State Highway Agency.