TR 103 over Trib of Big Slough
GoodMcLean County, Illinois · 2.8 MI NE Hudson · Structure no. 057472100000000
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 50
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 103 over Trib of Big Slough is a concrete culvert carrying TR 103 over Trib of Big Slough in McLean County, Illinois. It was built in 1992, so it is 33 years old, younger 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 103 over Trib of Big Slough built?
It was built in 1992, making it 33 years old in 2025.
What condition is TR 103 over Trib of Big Slough 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 September 2024.
How much traffic does TR 103 over Trib of Big Slough carry?
About 50 vehicles per day (2024 count), of which roughly 4% are trucks.
How long is TR 103 over Trib of Big Slough?
The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m) and a deck 30 ft wide.
Who owns TR 103 over Trib of Big Slough?
It is owned by the Town or Township Highway Agency.