11th Street over Keith Creek
PoorWinnebago County, Illinois · 0.52 N Broadway · Structure no. 101605200000000
- Built
- 1915
- 110 years old, rebuilt 1995
- Condition
- Poor
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 9,300
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
11th Street over Keith Creek is a prestressed concrete box beam or girders - multiple carrying 11th Street over Keith Creek in Winnebago County, Illinois. It was built in 1915 and reconstructed in 1995, so it is 110 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 9,300 vehicles a day, roughly 4% of them trucks, projected to reach 10,100 by 2046. The structure is 34 ft (10.5 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 11th Street over Keith Creek built?
It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1995.
What condition is 11th Street over Keith Creek 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 July 2023.
How much traffic does 11th Street over Keith Creek carry?
About 9,300 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is 11th Street over Keith Creek?
The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10 m) and a deck 64 ft wide.
Who owns 11th Street over Keith Creek?
It is owned by the City or Municipal Highway Agency.