Polk Street over Union Station Tracks
FairCook County, Illinois · 800S 300W to 500W · Structure no. 016652300000000
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 474 ft
- 12 main spans
- Daily traffic
- 2,200
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Polk Street over Union Station Tracks is a steel continuous stringer/multi-beam or girder carrying Polk Street over Union Station Tracks in Cook County, Illinois. It was built in 1996, so it is 29 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 2,200 vehicles a day, roughly 18% of them trucks, projected to reach 4,141 by 2046. The structure is 474 ft (144.4 m) long and 80 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Polk Street over Union Station Tracks built?
It was built in 1996, making it 29 years old in 2025.
What condition is Polk Street over Union Station Tracks 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 May 2023.
How much traffic does Polk Street over Union Station Tracks carry?
About 2,200 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Polk Street over Union Station Tracks?
The structure is 474 ft (144.4 m) long with a longest span of 82 ft (25.1 m) and a deck 80 ft wide.
Who owns Polk Street over Union Station Tracks?
It is owned by the City or Municipal Highway Agency.