TR 66A Gilmore Lk over Trib Praire Du Long
GoodMonroe County, Illinois · SECT.5 Road Dist. 2 · Structure no. 067313700000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected February 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 350
- 2024 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 66A Gilmore Lk over Trib Praire Du Long is a prestressed concrete box beam or girders - multiple carrying TR 66A Gilmore Lk over Trib Praire Du Long in Monroe County, Illinois. It was built in 1989, so it is 36 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 311 by 2046. The structure is 52 ft (15.7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 66A Gilmore Lk over Trib Praire Du Long built?
It was built in 1989, making it 36 years old in 2025.
What condition is TR 66A Gilmore Lk over Trib Praire Du Long 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 February 2022.
How much traffic does TR 66A Gilmore Lk over Trib Praire Du Long carry?
About 350 vehicles per day (2024 count), of which roughly 10% are trucks.
How long is TR 66A Gilmore Lk over Trib Praire Du Long?
The structure is 52 ft (15.7 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.
Who owns TR 66A Gilmore Lk over Trib Praire Du Long?
It is owned by the Town or Township Highway Agency.