Ill 17 over W.Fk Mazon River
FairLivingston County, Illinois · 1.33 MI W of I-55 · Structure no. 053015800000000
- Built
- 1983
- 42 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 107 ft
- 1 main span
- Daily traffic
- 1,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 17 over W.Fk Mazon River is a prestressed concrete stringer/multi-beam or girder carrying Ill 17 over W.Fk Mazon River in Livingston County, Illinois. It was built in 1983, so it is 42 years old, younger 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 1,800 vehicles a day, roughly 23% of them trucks, projected to reach 1,616 by 2046. The structure is 107 ft (32.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 17 over W.Fk Mazon River built?
It was built in 1983, making it 42 years old in 2025.
What condition is Ill 17 over W.Fk Mazon River 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 17 over W.Fk Mazon River carry?
About 1,800 vehicles per day (2023 count), of which roughly 23% are trucks.
How long is Ill 17 over W.Fk Mazon River?
The structure is 107 ft (32.6 m) long with a longest span of 100 ft (30.5 m) and a deck 35 ft wide.
Who owns Ill 17 over W.Fk Mazon River?
It is owned by the State Highway Agency.