US 51(SB) over Main Drain Ditch
FairChristian County, Illinois · 3.2MI S Assumption · Structure no. 011003700000000
- Built
- 2002
- 23 years old, rebuilt 2016
- Condition
- Fair
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 123 ft
- 3 main spans
- Daily traffic
- 3,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 51(SB) over Main Drain Ditch is a prestressed concrete stringer/multi-beam or girder carrying US 51(SB) over Main Drain Ditch in Christian County, Illinois. It was built in 2002 and reconstructed in 2016, so it is 23 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,600 vehicles a day, roughly 24% of them trucks, projected to reach 1,869 by 2046. The structure is 123 ft (37.4 m) long and 59 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 51(SB) over Main Drain Ditch built?
It was built in 2002, making it 23 years old in 2025. It was reconstructed in 2016.
What condition is US 51(SB) over Main Drain Ditch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does US 51(SB) over Main Drain Ditch carry?
About 3,600 vehicles per day (2023 count), of which roughly 24% are trucks.
How long is US 51(SB) over Main Drain Ditch?
The structure is 123 ft (37.4 m) long with a longest span of 51 ft (15.4 m) and a deck 59 ft wide.
Who owns US 51(SB) over Main Drain Ditch?
It is owned by the State Highway Agency.