N 18th ST over Cedar Creek
FairAdams County, Illinois · N 18th ST · Structure no. 001601100000000
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 457 ft
- 4 main spans
- Daily traffic
- 3,500
- 2024 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
N 18th ST over Cedar Creek is a steel continuous stringer/multi-beam or girder carrying N 18th ST over Cedar Creek in Adams 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 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 3,500 vehicles a day, roughly 7% of them trucks, projected to reach 3,182 by 2046. The structure is 457 ft (139.4 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 N 18th ST over Cedar Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is N 18th ST over Cedar 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 April 2024.
How much traffic does N 18th ST over Cedar Creek carry?
About 3,500 vehicles per day (2024 count), of which roughly 7% are trucks.
How long is N 18th ST over Cedar Creek?
The structure is 457 ft (139.4 m) long with a longest span of 130 ft (39.6 m) and a deck 43 ft wide.
Who owns N 18th ST over Cedar Creek?
It is owned by the City or Municipal Highway Agency.