TR-110 Dwight RD over Johnny Run
PoorGrundy County, Illinois · .08 MI N Mine RD · Structure no. 032500100000000
- Built
- 1981
- 44 years old
- Condition
- Poor
- inspected October 2024
- Type
- Channel Beam
- Concrete
- Length
- 94 ft
- 3 main spans
- Daily traffic
- 325
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-110 Dwight RD over Johnny Run is a concrete channel beam carrying TR-110 Dwight RD over Johnny Run in Grundy County, Illinois. It was built in 1981, so it is 44 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 325 vehicles a day, roughly 14% of them trucks, projected to reach 180 by 2046. The structure is 94 ft (28.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-110 Dwight RD over Johnny Run built?
It was built in 1981, making it 44 years old in 2025.
What condition is TR-110 Dwight RD over Johnny Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does TR-110 Dwight RD over Johnny Run carry?
About 325 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is TR-110 Dwight RD over Johnny Run?
The structure is 94 ft (28.7 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.
Who owns TR-110 Dwight RD over Johnny Run?
It is owned by the Town or Township Highway Agency.