Il 23 & 72 over Deer Creek
FairDeKalb County, Illinois · 0.5 MI W JCT Il 23 N · Structure no. 019201100000000
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected March 2023
- Type
- Culvert
- Concrete
- Length
- 32 ft
- 3 main spans
- Daily traffic
- 8,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 23 & 72 over Deer Creek is a concrete culvert carrying Il 23 & 72 over Deer Creek in DeKalb County, Illinois. It was built in 1987, so it is 38 years old, younger 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 8,100 vehicles a day, roughly 9% of them trucks, projected to reach 7,000 by 2046. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 29.8 mi (48 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 23 & 72 over Deer Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is Il 23 & 72 over Deer 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 March 2023.
How much traffic does Il 23 & 72 over Deer Creek carry?
About 8,100 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Il 23 & 72 over Deer Creek?
The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.
Who owns Il 23 & 72 over Deer Creek?
It is owned by the State Highway Agency.