Brown RD / TR 150 over FAI 80
PoorGrundy County, Illinois · 4.48 MI E of Ill 47 · Structure no. 032005900000000
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 230 ft
- 4 main spans
- Daily traffic
- 350
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Brown RD / TR 150 over FAI 80 is a prestressed concrete stringer/multi-beam or girder carrying Brown RD / TR 150 over FAI 80 in Grundy County, Illinois. It was built in 1960, so it is 65 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2046. The structure is 230 ft (70.1 m) long and 30 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 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 Brown RD / TR 150 over FAI 80 built?
It was built in 1960, making it 65 years old in 2025.
What condition is Brown RD / TR 150 over FAI 80 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 March 2024.
How much traffic does Brown RD / TR 150 over FAI 80 carry?
About 350 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is Brown RD / TR 150 over FAI 80?
The structure is 230 ft (70.1 m) long with a longest span of 65 ft (19.9 m) and a deck 30 ft wide.
Who owns Brown RD / TR 150 over FAI 80?
It is owned by the State Highway Agency.