US 51 over Six Mile Creek
FairJackson County, Illinois · 0.3 MI S Perry CO · Structure no. 039000100000000
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 42 ft
- 2 main spans
- Daily traffic
- 6,150
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 51 over Six Mile Creek is a concrete continuous slab carrying US 51 over Six Mile Creek in Jackson County, Illinois. It was built in 1954, so it is 71 years old, older 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 6,150 vehicles a day, roughly 9% of them trucks, projected to reach 6,565 by 2046. The structure is 42 ft (12.8 m) long and 43 ft wide. If it were closed, the detour would be 23 mi (37 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 51 over Six Mile Creek built?
It was built in 1954, making it 71 years old in 2025.
What condition is US 51 over Six Mile Creek 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 August 2023.
How much traffic does US 51 over Six Mile Creek carry?
About 6,150 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is US 51 over Six Mile Creek?
The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 43 ft wide.
Who owns US 51 over Six Mile Creek?
It is owned by the State Highway Agency.