Il 156 over Richland Creek
GoodSt. Clair County, Illinois · 1.2 MI E. JCT 159 · Structure no. 082038700000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 273 ft
- 3 main spans
- Daily traffic
- 2,750
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 156 over Richland Creek is a steel continuous stringer/multi-beam or girder carrying Il 156 over Richland Creek in St. Clair County, Illinois. It was built in 2007, so it is 18 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 2,750 vehicles a day, roughly 9% of them trucks, projected to reach 2,525 by 2046. The structure is 273 ft (83.2 m) long and 39 ft wide. If it were closed, the detour would be 31.7 mi (51 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 156 over Richland Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is Il 156 over Richland 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 September 2024.
How much traffic does Il 156 over Richland Creek carry?
About 2,750 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is Il 156 over Richland Creek?
The structure is 273 ft (83.2 m) long with a longest span of 101 ft (30.8 m) and a deck 39 ft wide.
Who owns Il 156 over Richland Creek?
It is owned by the State Highway Agency.