Ch 16 over Case Creek
PoorRock Island County, Illinois · 2 M E of Milan · Structure no. 081309000000000
- Built
- 1983
- 42 years old
- Condition
- Poor
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 90 ft
- 2 main spans
- Daily traffic
- 4,450
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 16 over Case Creek is a prestressed concrete box beam or girders - multiple carrying Ch 16 over Case Creek in Rock Island County, Illinois. It was built in 1983, so it is 42 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 4,450 vehicles a day, roughly 9% of them trucks, projected to reach 4,495 by 2046. The structure is 90 ft (27.4 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 16 over Case Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is Ch 16 over Case 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 October 2023.
How much traffic does Ch 16 over Case Creek carry?
About 4,450 vehicles per day (2020 count), of which roughly 9% are trucks.
How long is Ch 16 over Case Creek?
The structure is 90 ft (27.4 m) long with a longest span of 42 ft (12.8 m) and a deck 44 ft wide.
Who owns Ch 16 over Case Creek?
It is owned by the County Highway Agency.