Ch 37 Lyndon RD over I-88
FairWhiteside County, Illinois · .5 MI N Lyndon · Structure no. 098006600000000
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 249 ft
- 2 main spans
- Daily traffic
- 850
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
Ch 37 Lyndon RD over I-88 is a steel continuous stringer/multi-beam or girder carrying Ch 37 Lyndon RD over I-88 in Whiteside County, Illinois. It was built in 1974, so it is 51 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 850 vehicles a day, roughly 14% of them trucks, projected to reach 859 by 2046. The structure is 249 ft (76 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 37 Lyndon RD over I-88 built?
It was built in 1974, making it 51 years old in 2025.
What condition is Ch 37 Lyndon 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 September 2024.
How much traffic does Ch 37 Lyndon RD over I-88 carry?
About 850 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is Ch 37 Lyndon RD over I-88?
The structure is 249 ft (76 m) long with a longest span of 107 ft (32.7 m) and a deck 38 ft wide.
Who owns Ch 37 Lyndon RD over I-88?
It is owned by the State Highway Agency.