Ill 158 SB over FAI 64
FairSt. Clair County, Illinois · 0.58 MI NE of Shiloh · Structure no. 082018300000000
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 177 ft
- 2 main spans
- Daily traffic
- 17,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 158 SB over FAI 64 is a steel continuous stringer/multi-beam or girder carrying Ill 158 SB over FAI 64 in St. Clair County, Illinois. It was built in 1973, so it is 52 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 17,000 vehicles a day, roughly 4% of them trucks, projected to reach 7,525 by 2046. The structure is 177 ft (54.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Ill 158 SB over FAI 64 built?
It was built in 1973, making it 52 years old in 2025.
What condition is Ill 158 SB over FAI 64 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does Ill 158 SB over FAI 64 carry?
About 17,000 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Ill 158 SB over FAI 64?
The structure is 177 ft (54.1 m) long with a longest span of 88 ft (26.8 m) and a deck 54 ft wide.
Who owns Ill 158 SB over FAI 64?
It is owned by the State Highway Agency.