TR 178 over Big Ditch
PoorChampaign County, Illinois · 0.3 MI NW Prospect · Structure no. 010400100000000
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 70 ft
- 2 main spans
- Daily traffic
- 350
- 2016 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 178 over Big Ditch is a prestressed concrete box beam or girders - multiple carrying TR 178 over Big Ditch in Champaign County, Illinois. It was built in 1974, so it is 51 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 2 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. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 350 vehicles a day, roughly 1% of them trucks, projected to reach 354 by 2046. The structure is 70 ft (21.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 178 over Big Ditch built?
It was built in 1974, making it 51 years old in 2025.
What condition is TR 178 over Big 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 January 2024.
How much traffic does TR 178 over Big Ditch carry?
About 350 vehicles per day (2016 count), of which roughly 1% are trucks.
How long is TR 178 over Big Ditch?
The structure is 70 ft (21.2 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.
Who owns TR 178 over Big Ditch?
It is owned by the Town or Township Highway Agency.