US Rt 20 over Yellow Creek
FairStephenson County, Illinois · 1.5 MI W Ill 73 · Structure no. 089000200000000
- Built
- 1970
- 55 years old, rebuilt 2005
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 5,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US Rt 20 over Yellow Creek is a prestressed concrete box beam or girders - multiple carrying US Rt 20 over Yellow Creek in Stephenson County, Illinois. It was built in 1970 and reconstructed in 2005, so it is 55 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 5 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 5,750 vehicles a day, roughly 18% of them trucks, projected to reach 6,414 by 2046. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 44.7 mi (72 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 US Rt 20 over Yellow Creek built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2005.
What condition is US Rt 20 over Yellow 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 February 2023.
How much traffic does US Rt 20 over Yellow Creek carry?
About 5,750 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is US Rt 20 over Yellow Creek?
The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.
Who owns US Rt 20 over Yellow Creek?
It is owned by the State Highway Agency.