TR 477 over W Frk Cahokia CR
GoodMacoupin County, Illinois · 3 M S Wilsonville · Structure no. 059301100000000
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected January 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 197 ft
- 3 main spans
- Daily traffic
- 125
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 477 over W Frk Cahokia CR is a prestressed concrete box beam or girders - multiple carrying TR 477 over W Frk Cahokia CR in Macoupin County, Illinois. It was built in 2009, so it is 16 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 125 vehicles a day, roughly 7% of them trucks, projected to reach 126 by 2046. The structure is 197 ft (59.9 m) long and 27 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 477 over W Frk Cahokia CR built?
It was built in 2009, making it 16 years old in 2025.
What condition is TR 477 over W Frk Cahokia CR 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 January 2023.
How much traffic does TR 477 over W Frk Cahokia CR carry?
About 125 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is TR 477 over W Frk Cahokia CR?
The structure is 197 ft (59.9 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.
Who owns TR 477 over W Frk Cahokia CR?
It is owned by the Town or Township Highway Agency.