Ch 11 over Henderson CR
PoorHenderson County, Illinois · S.CTR-23-T12NR4W · Structure no. 036302300000000
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 176 ft
- 3 main spans
- Daily traffic
- 50
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 11 over Henderson CR is a prestressed concrete box beam or girders - multiple carrying Ch 11 over Henderson CR in Henderson County, Illinois. It was built in 1978, so it is 47 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 50 vehicles a day, roughly 14% of them trucks, projected to reach 51 by 2046. The structure is 176 ft (53.6 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 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 Ch 11 over Henderson CR built?
It was built in 1978, making it 47 years old in 2025.
What condition is Ch 11 over Henderson CR 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 2023.
How much traffic does Ch 11 over Henderson CR carry?
About 50 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is Ch 11 over Henderson CR?
The structure is 176 ft (53.6 m) long with a longest span of 61 ft (18.5 m) and a deck 24 ft wide.
Who owns Ch 11 over Henderson CR?
It is owned by the County Highway Agency.