TR 155 over I-57
FairIroquois County, Illinois · 2.0 MI N of US 24 · Structure no. 038008600000000
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 238 ft
- 4 main spans
- Daily traffic
- 150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
TR 155 over I-57 is a steel continuous stringer/multi-beam or girder carrying TR 155 over I-57 in Iroquois County, Illinois. It was built in 1967, so it is 58 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 150 vehicles a day, roughly 27% of them trucks, projected to reach 783 by 2046. The structure is 238 ft (72.5 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 155 over I-57 built?
It was built in 1967, making it 58 years old in 2025.
What condition is TR 155 over I-57 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 January 2024.
How much traffic does TR 155 over I-57 carry?
About 150 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is TR 155 over I-57?
The structure is 238 ft (72.5 m) long with a longest span of 74 ft (22.6 m) and a deck 32 ft wide.
Who owns TR 155 over I-57?
It is owned by the State Highway Agency.