Ill 147 over Bay Creek
FairJohnson County, Illinois · 0.2 MI W Pope CO L. · Structure no. 044002700000000
- Built
- 1936
- 89 years old, rebuilt 1987
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 155 ft
- 3 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 147 over Bay Creek is a steel continuous stringer/multi-beam or girder carrying Ill 147 over Bay Creek in Johnson County, Illinois. It was built in 1936 and reconstructed in 1987, so it is 89 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 400 vehicles a day, roughly 17% of them trucks, projected to reach 446 by 2046. The structure is 155 ft (47.2 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 147 over Bay Creek built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1987.
What condition is Ill 147 over Bay Creek 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 August 2024.
How much traffic does Ill 147 over Bay Creek carry?
About 400 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is Ill 147 over Bay Creek?
The structure is 155 ft (47.2 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.
Who owns Ill 147 over Bay Creek?
It is owned by the State Highway Agency.