TR 172 over Exline Slough
PoorKankakee County, Illinois · .5 MI SW ST George · Structure no. 046330600000000
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected August 2024
- Type
- Channel Beam
- Concrete
- Length
- 98 ft
- 3 main spans
- Daily traffic
- 500
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 172 over Exline Slough is a concrete channel beam carrying TR 172 over Exline Slough in Kankakee County, Illinois. It was built in 1974, so it is 51 years old, older 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 500 vehicles a day, roughly 4% of them trucks, projected to reach 510 by 2046. The structure is 98 ft (29.9 m) long and 27 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 172 over Exline Slough built?
It was built in 1974, making it 51 years old in 2025.
What condition is TR 172 over Exline Slough 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 August 2024.
How much traffic does TR 172 over Exline Slough carry?
About 500 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is TR 172 over Exline Slough?
The structure is 98 ft (29.9 m) long with a longest span of 32 ft (9.8 m) and a deck 27 ft wide.
Who owns TR 172 over Exline Slough?
It is owned by the Town or Township Highway Agency.