TR 495 over S Quincy Ditch
PoorAdams County, Illinois · 2.5 MI S Quincy · Structure no. 001338500000000
- Built
- 1996
- 29 years old
- Condition
- Poor
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 250
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 495 over S Quincy Ditch is a prestressed concrete box beam or girders - multiple carrying TR 495 over S Quincy Ditch in Adams County, Illinois. It was built in 1996, so it is 29 years old, younger 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 250 vehicles a day, roughly 19% of them trucks, projected to reach 556 by 2046. The structure is 52 ft (15.9 m) long and 27 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 8 Very Good | No problems noted. |
| 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 TR 495 over S Quincy Ditch built?
It was built in 1996, making it 29 years old in 2025.
What condition is TR 495 over S Quincy Ditch 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 April 2023.
How much traffic does TR 495 over S Quincy Ditch carry?
About 250 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is TR 495 over S Quincy Ditch?
The structure is 52 ft (15.9 m) long with a longest span of 49 ft (15 m) and a deck 27 ft wide.
Who owns TR 495 over S Quincy Ditch?
It is owned by the Town or Township Highway Agency.