CH-20 Tonti RD over FAI-57
GoodMarion County, Illinois · 2.75 MI N Salem Int · Structure no. 061004200000000
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 228 ft
- 4 main spans
- Daily traffic
- 700
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
CH-20 Tonti RD over FAI-57 is a prestressed concrete stringer/multi-beam or girder carrying CH-20 Tonti RD over FAI-57 in Marion County, Illinois. It was built in 1967, so it is 58 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 700 vehicles a day, roughly 13% of them trucks, projected to reach 833 by 2046. The structure is 228 ft (69.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CH-20 Tonti RD over FAI-57 built?
It was built in 1967, making it 58 years old in 2025.
What condition is CH-20 Tonti RD over FAI-57 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 August 2023.
How much traffic does CH-20 Tonti RD over FAI-57 carry?
About 700 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is CH-20 Tonti RD over FAI-57?
The structure is 228 ft (69.5 m) long with a longest span of 71 ft (21.6 m) and a deck 30 ft wide.
Who owns CH-20 Tonti RD over FAI-57?
It is owned by the State Highway Agency.