TR 37 over I-55
FairMontgomery County, Illinois · 1.5M S Frmersvle Int · Structure no. 068004000000000
- Built
- 1971
- 54 years old, rebuilt 2023
- Condition
- Fair
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 346 ft
- 3 main spans
- Daily traffic
- 75
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
TR 37 over I-55 is a steel continuous stringer/multi-beam or girder carrying TR 37 over I-55 in Montgomery County, Illinois. It was built in 1971 and reconstructed in 2023, 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 75 vehicles a day, roughly 32% of them trucks, projected to reach 76 by 2046. The structure is 346 ft (105.5 m) long and 31 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 | 9 Excellent | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 37 over I-55 built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2023.
What condition is TR 37 over I-55 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 April 2024.
How much traffic does TR 37 over I-55 carry?
About 75 vehicles per day (2020 count), of which roughly 32% are trucks.
How long is TR 37 over I-55?
The structure is 346 ft (105.5 m) long with a longest span of 101 ft (30.8 m) and a deck 31 ft wide.
Who owns TR 37 over I-55?
It is owned by the State Highway Agency.