TR 101 over I-55
GoodLivingston County, Illinois · 4 MI NE of Pontiac · Structure no. 053013500000000
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 265 ft
- 2 main spans
- Daily traffic
- 175
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
TR 101 over I-55 is a steel continuous stringer/multi-beam or girder carrying TR 101 over I-55 in Livingston County, Illinois. It was built in 1974, so it is 51 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 175 vehicles a day, roughly 10% of them trucks, projected to reach 152 by 2046. The structure is 265 ft (80.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 101 over I-55 built?
It was built in 1974, making it 51 years old in 2025.
What condition is TR 101 over I-55 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does TR 101 over I-55 carry?
About 175 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is TR 101 over I-55?
The structure is 265 ft (80.8 m) long with a longest span of 115 ft (35.1 m) and a deck 30 ft wide.
Who owns TR 101 over I-55?
It is owned by the State Highway Agency.