TR 323 over Parker Run
PoorHenry County, Illinois · 2.5 MI N New Windsor · Structure no. 037315900000000
- Built
- 1962
- 63 years old
- Condition
- Poor
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 60 ft
- 2 main spans
- Daily traffic
- 75
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 323 over Parker Run is a prestressed concrete box beam or girders - multiple carrying TR 323 over Parker Run in Henry County, Illinois. It was built in 1962, so it is 63 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 75 vehicles a day, roughly 27% of them trucks, projected to reach 81 by 2046. The structure is 60 ft (18.3 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 323 over Parker Run built?
It was built in 1962, making it 63 years old in 2025.
What condition is TR 323 over Parker Run 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 2024.
How much traffic does TR 323 over Parker Run carry?
About 75 vehicles per day (2020 count), of which roughly 27% are trucks.
How long is TR 323 over Parker Run?
The structure is 60 ft (18.3 m) long with a longest span of 29 ft (8.8 m) and a deck 21 ft wide.
Who owns TR 323 over Parker Run?
It is owned by the Town or Township Highway Agency.