30th Street over Cedar Creek
GoodAdams County, Illinois · 0.5 MI N E Quincy · Structure no. 001333200000000
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 112 ft
- 2 main spans
- Daily traffic
- 1,800
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
30th Street over Cedar Creek is a prestressed concrete box beam or girders - multiple carrying 30th Street over Cedar Creek in Adams County, Illinois. It was built in 2001, so it is 24 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,800 vehicles a day, roughly 9% of them trucks, projected to reach 1,061 by 2046. The structure is 112 ft (34.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30th Street over Cedar Creek built?
It was built in 2001, making it 24 years old in 2025.
What condition is 30th Street over Cedar Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.
How much traffic does 30th Street over Cedar Creek carry?
About 1,800 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is 30th Street over Cedar Creek?
The structure is 112 ft (34.2 m) long with a longest span of 59 ft (18.1 m) and a deck 30 ft wide.
Who owns 30th Street over Cedar Creek?
It is owned by the County Highway Agency.