TR 23 over Prairie Ck
PoorLogan County, Illinois · 3 S .5 MI E San Jose · Structure no. 054540300000000
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 23 over Prairie Ck is a prestressed concrete box beam or girders - multiple carrying TR 23 over Prairie Ck in Logan 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 53 by 2046. The structure is 40 ft (12.2 m) long and 26 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 TR 23 over Prairie Ck built?
It was built in 1964, making it 61 years old in 2025.
What condition is TR 23 over Prairie Ck 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 December 2024.
How much traffic does TR 23 over Prairie Ck carry?
About 50 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is TR 23 over Prairie Ck?
The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.4 m) and a deck 26 ft wide.
Who owns TR 23 over Prairie Ck?
It is owned by the Town or Township Highway Agency.