Ill 351 St. Vincen over FAI 80
GoodLaSalle County, Illinois · 1.6 MI E Jc Ill 251 · Structure no. 050023000000000
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 245 ft
- 4 main spans
- Daily traffic
- 5,250
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 351 St. Vincen over FAI 80 is a steel continuous stringer/multi-beam or girder carrying Ill 351 St. Vincen over FAI 80 in LaSalle County, Illinois. It was built in 2005, so it is 20 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 5,250 vehicles a day, roughly 44% of them trucks, projected to reach 6,010 by 2046. The structure is 245 ft (74.8 m) long and 55 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 351 St. Vincen over FAI 80 built?
It was built in 2005, making it 20 years old in 2025.
What condition is Ill 351 St. Vincen over FAI 80 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 January 2023.
How much traffic does Ill 351 St. Vincen over FAI 80 carry?
About 5,250 vehicles per day (2023 count), of which roughly 44% are trucks.
How long is Ill 351 St. Vincen over FAI 80?
The structure is 245 ft (74.8 m) long with a longest span of 96 ft (29.3 m) and a deck 55 ft wide.
Who owns Ill 351 St. Vincen over FAI 80?
It is owned by the State Highway Agency.