Ch 17 Wilmot RD over I-88
FairWhiteside County, Illinois · 3.0 Mi. Ne. Erie · Structure no. 098005800000000
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 284 ft
- 2 main spans
- Daily traffic
- 200
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Ch 17 Wilmot RD over I-88 is a steel continuous stringer/multi-beam or girder carrying Ch 17 Wilmot RD over I-88 in Whiteside County, Illinois. It was built in 1975, so it is 50 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 200 vehicles a day, roughly 14% of them trucks, projected to reach 202 by 2046. The structure is 284 ft (86.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 17 Wilmot RD over I-88 built?
It was built in 1975, making it 50 years old in 2025.
What condition is Ch 17 Wilmot RD over I-88 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 August 2024.
How much traffic does Ch 17 Wilmot RD over I-88 carry?
About 200 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is Ch 17 Wilmot RD over I-88?
The structure is 284 ft (86.6 m) long with a longest span of 117 ft (35.7 m) and a deck 32 ft wide.
Who owns Ch 17 Wilmot RD over I-88?
It is owned by the State Highway Agency.