Ch 23 Ext over Ill Central RR
PoorLaSalle County, Illinois · Walnut ST over Ic RR · Structure no. 050730100000000
- Built
- 1942
- 83 years old, rebuilt 1986
- Condition
- Poor
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 1,600
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Ch 23 Ext over Ill Central RR is a prestressed concrete box beam or girders - multiple carrying Ch 23 Ext over Ill Central RR in LaSalle County, Illinois. It was built in 1942 and reconstructed in 1986, so it is 83 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. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 1,600 vehicles a day, roughly 12% of them trucks, projected to reach 1,616 by 2046. The structure is 112 ft (34 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 23 Ext over Ill Central RR built?
It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1986.
What condition is Ch 23 Ext over Ill Central RR 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 August 2023.
How much traffic does Ch 23 Ext over Ill Central RR carry?
About 1,600 vehicles per day (2020 count), of which roughly 12% are trucks.
How long is Ch 23 Ext over Ill Central RR?
The structure is 112 ft (34 m) long with a longest span of 41 ft (12.5 m) and a deck 36 ft wide.
Who owns Ch 23 Ext over Ill Central RR?
It is owned by the City or Municipal Highway Agency.