US 45 & 52 over S Br of Rock CR
FairKankakee County, Illinois · 1.5 M S Manteno RD · Structure no. 046004700000000
- Built
- 1976
- 49 years old, rebuilt 2005
- Condition
- Fair
- inspected January 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 116 ft
- 3 main spans
- Daily traffic
- 5,650
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 45 & 52 over S Br of Rock CR is a prestressed concrete box beam or girders - multiple carrying US 45 & 52 over S Br of Rock CR in Kankakee County, Illinois. It was built in 1976 and reconstructed in 2005, so it is 49 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,650 vehicles a day, roughly 12% of them trucks, projected to reach 6,273 by 2046. The structure is 116 ft (35.5 m) long and 40 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 | 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 US 45 & 52 over S Br of Rock CR built?
It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2005.
What condition is US 45 & 52 over S Br of Rock CR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.
How much traffic does US 45 & 52 over S Br of Rock CR carry?
About 5,650 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US 45 & 52 over S Br of Rock CR?
The structure is 116 ft (35.5 m) long with a longest span of 38 ft (11.5 m) and a deck 40 ft wide.
Who owns US 45 & 52 over S Br of Rock CR?
It is owned by the State Highway Agency.