US 51 I-39 over Stream
GoodLaSalle County, Illinois · 4.01 MI N of Ill 18 · Structure no. 050202400000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 19,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 51 I-39 over Stream is a concrete continuous culvert carrying US 51 I-39 over Stream in LaSalle County, Illinois. It was built in 1988, so it is 37 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 19,400 vehicles a day, roughly 36% of them trucks, projected to reach 18,988 by 2046. The structure is 23 ft (6.9 m) long. 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 |
|---|---|---|
| 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 51 I-39 over Stream built?
It was built in 1988, making it 37 years old in 2025.
What condition is US 51 I-39 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 February 2023.
How much traffic does US 51 I-39 over Stream carry?
About 19,400 vehicles per day (2023 count), of which roughly 36% are trucks.
How long is US 51 I-39 over Stream?
The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.1 m).
Who owns US 51 I-39 over Stream?
It is owned by the State Highway Agency.