TR 104 over Trib Prairie Creek
PoorIroquois County, Illinois · 2MI E1.5MI N Danfort · Structure no. 038392900000000
- Built
- 1976
- 49 years old
- Condition
- Poor
- inspected October 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 48 ft
- 1 main span
- Daily traffic
- 75
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 104 over Trib Prairie Creek is a prestressed concrete box beam or girders - multiple carrying TR 104 over Trib Prairie Creek in Iroquois County, Illinois. It was built in 1976, so it is 49 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 48 ft (14.6 m) long and 26 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 104 over Trib Prairie Creek built?
It was built in 1976, making it 49 years old in 2025.
What condition is TR 104 over Trib Prairie 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 October 2023.
How much traffic does TR 104 over Trib Prairie Creek carry?
About 75 vehicles per day (2022 count).
How long is TR 104 over Trib Prairie Creek?
The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 26 ft wide.
Who owns TR 104 over Trib Prairie Creek?
It is owned by the Town or Township Highway Agency.