TR 237 over Big Slough
GoodLawrence County, Illinois · 2 NW ST Francisville · Structure no. 051329900000000
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected January 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 54 ft
- 1 main span
- Daily traffic
- 100
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 237 over Big Slough is a prestressed concrete box beam or girders - multiple carrying TR 237 over Big Slough in Lawrence County, Illinois. It was built in 2011, so it is 14 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 101 by 2046. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 237 over Big Slough built?
It was built in 2011, making it 14 years old in 2025.
What condition is TR 237 over 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 January 2022.
How much traffic does TR 237 over Big Slough carry?
About 100 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is TR 237 over Big Slough?
The structure is 54 ft (16.5 m) long with a longest span of 52 ft (15.7 m) and a deck 28 ft wide.
Who owns TR 237 over Big Slough?
It is owned by the Town or Township Highway Agency.