Ill 9 over Drowning Fork
PoorMcDonough County, Illinois · 2 MI W of Ill 41 · Structure no. 055001600000000
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 209 ft
- 3 main spans
- Daily traffic
- 1,850
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 9 over Drowning Fork is a steel continuous stringer/multi-beam or girder carrying Ill 9 over Drowning Fork in McDonough County, Illinois. It was built in 1960, so it is 65 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 3 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 1,850 vehicles a day, roughly 16% of them trucks, projected to reach 2,273 by 2046. The structure is 209 ft (63.7 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 9 over Drowning Fork built?
It was built in 1960, making it 65 years old in 2025.
What condition is Ill 9 over Drowning Fork 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 May 2024.
How much traffic does Ill 9 over Drowning Fork carry?
About 1,850 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is Ill 9 over Drowning Fork?
The structure is 209 ft (63.7 m) long with a longest span of 76 ft (23.2 m) and a deck 34 ft wide.
Who owns Ill 9 over Drowning Fork?
It is owned by the State Highway Agency.