US 6 over Obrien Run
GoodGrundy County, Illinois · 4.09 Mi.W.Of Ill 47 · Structure no. 032200100000000
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 3,950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 6 over Obrien Run is a concrete continuous culvert carrying US 6 over Obrien Run in Grundy County, Illinois. It was built in 1974, so it is 51 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 3,950 vehicles a day, roughly 6% of them trucks, projected to reach 4,560 by 2046. The structure is 22 ft (6.7 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 6 over Obrien Run built?
It was built in 1974, making it 51 years old in 2025.
What condition is US 6 over Obrien Run 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 6 over Obrien Run carry?
About 3,950 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is US 6 over Obrien Run?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns US 6 over Obrien Run?
It is owned by the State Highway Agency.