TR97 over Drainage Ditch
PoorIroquois County, Illinois · 1.25 MI W Ill 1 · Structure no. 038423500000000
- Built
- 1987
- 38 years old
- Condition
- Poor
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 48 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR97 over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying TR97 over Drainage Ditch in Iroquois County, Illinois. It was built in 1987, so it is 38 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 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 48 ft (14.6 m) long and 27 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 | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR97 over Drainage Ditch built?
It was built in 1987, making it 38 years old in 2025.
What condition is TR97 over Drainage Ditch 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 September 2023.
How much traffic does TR97 over Drainage Ditch carry?
About 25 vehicles per day (2022 count).
How long is TR97 over Drainage Ditch?
The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 27 ft wide.
Who owns TR97 over Drainage Ditch?
It is owned by the Town or Township Highway Agency.