Dilleys Road over Mill Creek
PoorLake County, Illinois · .13 E of Toll RD · Structure no. 049308000000000
- Built
- 2002
- 23 years old
- Condition
- Poor
- inspected April 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 81 ft
- 1 main span
- Daily traffic
- 5,600
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Dilleys Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Dilleys Road over Mill Creek in Lake County, Illinois. It was built in 2002, so it is 23 years old, younger 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 2 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 5,600 vehicles a day, roughly 7% of them trucks, projected to reach 6,363 by 2046. The structure is 81 ft (24.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dilleys Road over Mill Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is Dilleys Road over Mill Creek 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 April 2024.
How much traffic does Dilleys Road over Mill Creek carry?
About 5,600 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Dilleys Road over Mill Creek?
The structure is 81 ft (24.7 m) long with a longest span of 76 ft (23.1 m) and a deck 43 ft wide.
Who owns Dilleys Road over Mill Creek?
It is owned by the County Highway Agency.