Tripp RD over I-90
GoodBoone County, Illinois · .5 MI S of US 20 · Structure no. 004996500000000
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 239 ft
- Daily traffic
- 300
- 2018 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
Tripp RD over I-90 is a prestressed concrete continuous stringer/multi-beam or girder carrying Tripp RD over I-90 in Boone County, Illinois. It was built in 2016, so it is 9 years old, younger 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 300 vehicles a day, projected to reach 312 by 2046. The structure is 239 ft (72.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Tripp RD over I-90 built?
It was built in 2016, making it 9 years old in 2025.
What condition is Tripp RD over I-90 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 July 2024.
How much traffic does Tripp RD over I-90 carry?
About 300 vehicles per day (2018 count).
How long is Tripp RD over I-90?
The structure is 239 ft (72.8 m) long with a longest span of 121 ft (36.9 m) and a deck 35 ft wide.
Who owns Tripp RD over I-90?
It is owned by the State Toll Authority.