Harlem Center RD over US20 Freeport Bypass
FairStephenson County, Illinois · 3 MI W of Il 26 · Structure no. 089004400000000
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 231 ft
- 2 main spans
- Daily traffic
- 300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Harlem Center RD over US20 Freeport Bypass is a steel continuous stringer/multi-beam or girder carrying Harlem Center RD over US20 Freeport Bypass in Stephenson County, Illinois. It was built in 1987, so it is 38 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 354 by 2046. The structure is 231 ft (70.3 m) long and 31 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 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harlem Center RD over US20 Freeport Bypass built?
It was built in 1987, making it 38 years old in 2025.
What condition is Harlem Center RD over US20 Freeport Bypass 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 October 2023.
How much traffic does Harlem Center RD over US20 Freeport Bypass carry?
About 300 vehicles per day (2024 count), of which roughly 2% are trucks.
How long is Harlem Center RD over US20 Freeport Bypass?
The structure is 231 ft (70.3 m) long with a longest span of 134 ft (40.8 m) and a deck 31 ft wide.
Who owns Harlem Center RD over US20 Freeport Bypass?
It is owned by the State Highway Agency.