TR 36 over Rock Creek
FairMcLean County, Illinois · 5.0 MI Wnw Carlock · Structure no. 057402400000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected March 2024
- Type
- Slab
- Concrete Continuous
- Length
- 110 ft
- 3 main spans
- Daily traffic
- 150
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 36 over Rock Creek is a concrete continuous slab carrying TR 36 over Rock Creek in McLean County, Illinois. It was built in 1988, so it is 37 years old, younger 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 31% of them trucks, projected to reach 152 by 2046. The structure is 110 ft (33.5 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 36 over Rock Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is TR 36 over Rock Creek 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 2024.
How much traffic does TR 36 over Rock Creek carry?
About 150 vehicles per day (2024 count), of which roughly 31% are trucks.
How long is TR 36 over Rock Creek?
The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 26 ft wide.
Who owns TR 36 over Rock Creek?
It is owned by the Town or Township Highway Agency.