US 20WB over Sumner Creek
GoodStephenson County, Illinois · 1.2 MI W Winn. CO LN · Structure no. 089007400000000
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected September 2022
- Type
- Slab
- Concrete Continuous
- Length
- 103 ft
- 3 main spans
- Daily traffic
- 12,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 20WB over Sumner Creek is a concrete continuous slab carrying US 20WB over Sumner Creek in Stephenson County, Illinois. It was built in 1994, so it is 31 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 12,700 vehicles a day, roughly 16% of them trucks, projected to reach 7,020 by 2046. The structure is 103 ft (31.4 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 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 US 20WB over Sumner Creek built?
It was built in 1994, making it 31 years old in 2025.
What condition is US 20WB over Sumner 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 2022.
How much traffic does US 20WB over Sumner Creek carry?
About 12,700 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is US 20WB over Sumner Creek?
The structure is 103 ft (31.4 m) long with a longest span of 38 ft (11.5 m) and a deck 43 ft wide.
Who owns US 20WB over Sumner Creek?
It is owned by the State Highway Agency.