S. Appleton Road over Kishwaukee River
PoorBoone County, Illinois · N of Locust ST · Structure no. 004700300000000
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 119 ft
- 2 main spans
- Daily traffic
- 11,700
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
S. Appleton Road over Kishwaukee River is a steel continuous stringer/multi-beam or girder carrying S. Appleton Road over Kishwaukee River in Boone County, Illinois. It was built in 1964, so it is 61 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 11,700 vehicles a day, roughly 4% of them trucks, projected to reach 12,168 by 2046. The structure is 119 ft (36.4 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S. Appleton Road over Kishwaukee River built?
It was built in 1964, making it 61 years old in 2025.
What condition is S. Appleton Road over Kishwaukee River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.
How much traffic does S. Appleton Road over Kishwaukee River carry?
About 11,700 vehicles per day (2018 count), of which roughly 4% are trucks.
How long is S. Appleton Road over Kishwaukee River?
The structure is 119 ft (36.4 m) long with a longest span of 57 ft (17.5 m) and a deck 64 ft wide.
Who owns S. Appleton Road over Kishwaukee River?
It is owned by the City or Municipal Highway Agency.