CO RD 42 over Buck Creek
FairLaSalle County, Illinois · E 15th N 3400 · Structure no. 050304600000000
- Built
- 1934
- 91 years old, rebuilt 1989
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 450
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
CO RD 42 over Buck Creek is a prestressed concrete box beam or girders - multiple carrying CO RD 42 over Buck Creek in LaSalle County, Illinois. It was built in 1934 and reconstructed in 1989, so it is 91 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 6 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 450 vehicles a day, roughly 8% of them trucks, projected to reach 455 by 2046. The structure is 32 ft (9.8 m) long and 30 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO RD 42 over Buck Creek built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1989.
What condition is CO RD 42 over Buck Creek 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 April 2023.
How much traffic does CO RD 42 over Buck Creek carry?
About 450 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is CO RD 42 over Buck Creek?
The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.
Who owns CO RD 42 over Buck Creek?
It is owned by the County Highway Agency.