Ch 18 over Sewer Creek
FairWashington County, Illinois · 0.7 MI N of Noltings · Structure no. 095320500000000
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 375
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 18 over Sewer Creek is a prestressed concrete box beam or girders - multiple carrying Ch 18 over Sewer Creek in Washington County, Illinois. It was built in 1992, so it is 33 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 375 vehicles a day, roughly 9% of them trucks, projected to reach 666 by 2046. The structure is 61 ft (18.7 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Ch 18 over Sewer Creek built?
It was built in 1992, making it 33 years old in 2025.
What condition is Ch 18 over Sewer 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 November 2023.
How much traffic does Ch 18 over Sewer Creek carry?
About 375 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is Ch 18 over Sewer Creek?
The structure is 61 ft (18.7 m) long with a longest span of 59 ft (18 m) and a deck 28 ft wide.
Who owns Ch 18 over Sewer Creek?
It is owned by the County Highway Agency.