TR 157A over Mosquito Creek
PoorHenry County, Illinois · Warner Station · Structure no. 037309300000000
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected August 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 72 ft
- 2 main spans
- Daily traffic
- 375
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 157A over Mosquito Creek is a prestressed concrete box beam or girders - multiple carrying TR 157A over Mosquito Creek in Henry County, Illinois. It was built in 1961, so it is 64 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 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 375 vehicles a day, roughly 25% of them trucks, projected to reach 405 by 2046. The structure is 72 ft (21.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 157A over Mosquito Creek built?
It was built in 1961, making it 64 years old in 2025.
What condition is TR 157A over Mosquito Creek 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 157A over Mosquito Creek carry?
About 375 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is TR 157A over Mosquito Creek?
The structure is 72 ft (21.9 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.
Who owns TR 157A over Mosquito Creek?
It is owned by the Town or Township Highway Agency.