TR 188A over Trib Iroquois River
GoodIroquois County, Illinois · 1.5 MI SE Lerable · Structure no. 038455200000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected April 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 188A over Trib Iroquois River is a prestressed concrete box beam or girders - multiple carrying TR 188A over Trib Iroquois River in Iroquois County, Illinois. It was built in 1987, so it is 38 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 60 ft (18.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 188A over Trib Iroquois River built?
It was built in 1987, making it 38 years old in 2025.
What condition is TR 188A over Trib Iroquois River 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 April 2021.
How much traffic does TR 188A over Trib Iroquois River carry?
About 50 vehicles per day (2022 count).
How long is TR 188A over Trib Iroquois River?
The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 30 ft wide.
Who owns TR 188A over Trib Iroquois River?
It is owned by the Town or Township Highway Agency.