US 51SB over Flat Branch Creek
GoodChristian County, Illinois · S Edge Moweaqua · Structure no. 011003600000000
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected May 2022
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 200 ft
- 3 main spans
- Daily traffic
- 4,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 51SB over Flat Branch Creek is a prestressed concrete stringer/multi-beam or girder carrying US 51SB over Flat Branch Creek in Christian County, Illinois. It was built in 2003, so it is 22 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 4,600 vehicles a day, roughly 18% of them trucks, projected to reach 2,500 by 2046. The structure is 200 ft (61.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 51SB over Flat Branch Creek built?
It was built in 2003, making it 22 years old in 2025.
What condition is US 51SB over Flat Branch Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2022.
How much traffic does US 51SB over Flat Branch Creek carry?
About 4,600 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is US 51SB over Flat Branch Creek?
The structure is 200 ft (61.1 m) long with a longest span of 83 ft (25.3 m) and a deck 43 ft wide.
Who owns US 51SB over Flat Branch Creek?
It is owned by the State Highway Agency.