Ill 71 over Stream
FairLaSalle County, Illinois · 2.93 MI SW of US 52 · Structure no. 050201400000000
- Built
- 1942
- 83 years old
- Condition
- Fair
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 5,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 71 over Stream is a concrete continuous culvert carrying Ill 71 over Stream in LaSalle County, Illinois. It was built in 1942, so it is 83 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,250 vehicles a day, roughly 15% of them trucks, projected to reach 5,757 by 2046. The structure is 32 ft (9.8 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 71 over Stream built?
It was built in 1942, making it 83 years old in 2025.
What condition is Ill 71 over Stream in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does Ill 71 over Stream carry?
About 5,250 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is Ill 71 over Stream?
The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m) and a deck 42 ft wide.
Who owns Ill 71 over Stream?
It is owned by the State Highway Agency.