Il 146 over Bay Creek
GoodJohnson County, Illinois · East of Grantsburg · Structure no. 044006100000000
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected October 2021
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 137 ft
- 3 main spans
- Daily traffic
- 1,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 146 over Bay Creek is a steel continuous stringer/multi-beam or girder carrying Il 146 over Bay Creek in Johnson County, Illinois. It was built in 2015, so it is 10 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 1,300 vehicles a day, roughly 8% of them trucks, projected to reach 1,523 by 2046. The structure is 137 ft (41.8 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 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 | 8 Very Good | No problems noted. |
| 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 Il 146 over Bay Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is Il 146 over Bay 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 October 2021.
How much traffic does Il 146 over Bay Creek carry?
About 1,300 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Il 146 over Bay Creek?
The structure is 137 ft (41.8 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.
Who owns Il 146 over Bay Creek?
It is owned by the State Highway Agency.