Il 1 (halsted ST over I- 80 294 Tri State
FairCook County, Illinois · 1.5 M S US 6 · Structure no. 016019900000000
- Built
- 1958
- 67 years old, rebuilt 2012
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 231 ft
- 4 main spans
- Daily traffic
- 35,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 1 (halsted ST over I- 80 294 Tri State is a prestressed concrete stringer/multi-beam or girder carrying Il 1 (halsted ST over I- 80 294 Tri State in Cook County, Illinois. It was built in 1958 and reconstructed in 2012, so it is 67 years old, older 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 35,000 vehicles a day, roughly 6% of them trucks, projected to reach 36,158 by 2046. The structure is 231 ft (70.3 m) long and 94 ft wide.
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 Il 1 (halsted ST over I- 80 294 Tri State built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2012.
What condition is Il 1 (halsted ST over I- 80 294 Tri State 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 Il 1 (halsted ST over I- 80 294 Tri State carry?
About 35,000 vehicles per day (2023 count), of which roughly 6% are trucks.
How long is Il 1 (halsted ST over I- 80 294 Tri State?
The structure is 231 ft (70.3 m) long with a longest span of 72 ft (22 m) and a deck 94 ft wide.
Who owns Il 1 (halsted ST over I- 80 294 Tri State?
It is owned by the State Highway Agency.