I 24 EB over Tunnel Hill State TR
FairJohnson County, Illinois · 1 MI N of Ill 146 · Structure no. 044004400000000
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 10,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I 24 EB over Tunnel Hill State TR is a prestressed concrete continuous stringer/multi-beam or girder carrying I 24 EB over Tunnel Hill State TR in Johnson County, Illinois. It was built in 1971, so it is 54 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 10,000 vehicles a day, roughly 37% of them trucks, projected to reach 11,025 by 2046. The structure is 159 ft (48.5 m) long and 42 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 | 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 I 24 EB over Tunnel Hill State TR built?
It was built in 1971, making it 54 years old in 2025.
What condition is I 24 EB over Tunnel Hill State TR 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 March 2023.
How much traffic does I 24 EB over Tunnel Hill State TR carry?
About 10,000 vehicles per day (2024 count), of which roughly 37% are trucks.
How long is I 24 EB over Tunnel Hill State TR?
The structure is 159 ft (48.5 m) long with a longest span of 52 ft (15.8 m) and a deck 42 ft wide.
Who owns I 24 EB over Tunnel Hill State TR?
It is owned by the State Highway Agency.