Ill 3 over Rockhouse Creek
GoodMonroe County, Illinois · 4 MI SE Waterloo · Structure no. 067004000000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 6,950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 3 over Rockhouse Creek is a prestressed concrete stringer/multi-beam or girder carrying Ill 3 over Rockhouse Creek in Monroe County, Illinois. It was built in 1995, so it is 30 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 6,950 vehicles a day, roughly 13% of them trucks, projected to reach 8,475 by 2046. The structure is 63 ft (19.1 m) long and 43 ft wide. If it were closed, the detour would be 24.2 mi (39 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 3 over Rockhouse Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Ill 3 over Rockhouse Creek 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 2023.
How much traffic does Ill 3 over Rockhouse Creek carry?
About 6,950 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Ill 3 over Rockhouse Creek?
The structure is 63 ft (19.1 m) long with a longest span of 61 ft (18.6 m) and a deck 43 ft wide.
Who owns Ill 3 over Rockhouse Creek?
It is owned by the State Highway Agency.