TR 158 over Trib. Little Swan CR
PoorWarren County, Illinois · SE-24-T8NR2W · Structure no. 094452700000000
- Built
- 1992
- 33 years old
- Condition
- Poor
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 158 over Trib. Little Swan CR is a prestressed concrete box beam or girders - multiple carrying TR 158 over Trib. Little Swan CR in Warren 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 poor condition with a lowest component rating of 4 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 52 ft (15.7 m) long and 28 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 158 over Trib. Little Swan CR built?
It was built in 1992, making it 33 years old in 2025.
What condition is TR 158 over Trib. Little Swan CR 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 January 2025.
How much traffic does TR 158 over Trib. Little Swan CR carry?
About 50 vehicles per day (2021 count).
How long is TR 158 over Trib. Little Swan CR?
The structure is 52 ft (15.7 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.
Who owns TR 158 over Trib. Little Swan CR?
It is owned by the Town or Township Highway Agency.