Old Ill 29 over Flat Branch Creek
GoodChristian County, Illinois · 1.1MI E JCT IL48/29 · Structure no. 011003300000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 297 ft
- 4 main spans
- Daily traffic
- 3,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Old Ill 29 over Flat Branch Creek is a prestressed concrete stringer/multi-beam or girder carrying Old Ill 29 over Flat Branch Creek in Christian County, Illinois. It was built in 1989, so it is 36 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,400 vehicles a day, roughly 3% of them trucks, projected to reach 3,485 by 2046. The structure is 297 ft (90.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| 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 Old Ill 29 over Flat Branch Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Old Ill 29 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 March 2023.
How much traffic does Old Ill 29 over Flat Branch Creek carry?
About 3,400 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Old Ill 29 over Flat Branch Creek?
The structure is 297 ft (90.6 m) long with a longest span of 78 ft (23.8 m) and a deck 33 ft wide.
Who owns Old Ill 29 over Flat Branch Creek?
It is owned by the State Highway Agency.