Riverside Island D over Nippersink Lake
PoorLake County, Illinois · 0.5 MI E US12 · Structure no. 049625300000000
- Built
- 1998
- 27 years old
- Condition
- Poor
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 125
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Riverside Island D over Nippersink Lake is a prestressed concrete box beam or girders - multiple carrying Riverside Island D over Nippersink Lake in Lake County, Illinois. It was built in 1998, so it is 27 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 4 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 125 vehicles a day, roughly 17% of them trucks, projected to reach 101 by 2046. The structure is 50 ft (15.2 m) long and 19 ft wide.
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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Riverside Island D over Nippersink Lake built?
It was built in 1998, making it 27 years old in 2025.
What condition is Riverside Island D over Nippersink Lake 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 July 2023.
How much traffic does Riverside Island D over Nippersink Lake carry?
About 125 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is Riverside Island D over Nippersink Lake?
The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 19 ft wide.
Who owns Riverside Island D over Nippersink Lake?
It is owned by the City or Municipal Highway Agency.