Il 161 over Metrolink
GoodSt. Clair County, Illinois · 0.1MI W of Il 159 · Structure no. 082009100000000
- Built
- 1935
- 90 years old, rebuilt 2008
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 185 ft
- 3 main spans
- Daily traffic
- 14,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 161 over Metrolink is a steel continuous stringer/multi-beam or girder carrying Il 161 over Metrolink in St. Clair County, Illinois. It was built in 1935 and reconstructed in 2008, so it is 90 years old, older 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 14,700 vehicles a day, roughly 3% of them trucks, projected to reach 15,655 by 2046. The structure is 185 ft (56.3 m) long and 86 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 161 over Metrolink built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2008.
What condition is Il 161 over Metrolink 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 April 2023.
How much traffic does Il 161 over Metrolink carry?
About 14,700 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Il 161 over Metrolink?
The structure is 185 ft (56.3 m) long with a longest span of 61 ft (18.5 m) and a deck 86 ft wide.
Who owns Il 161 over Metrolink?
It is owned by the State Highway Agency.