TR-487 over Rocky Branch
GoodJefferson County, Illinois · 3 MI SE Belle Rive · Structure no. 041502900000000
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected January 2022
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 50
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-487 over Rocky Branch is a concrete culvert carrying TR-487 over Rocky Branch in Jefferson County, Illinois. It was built in 1988, so it is 37 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, roughly 20% of them trucks, projected to reach 51 by 2046. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-487 over Rocky Branch built?
It was built in 1988, making it 37 years old in 2025.
What condition is TR-487 over Rocky Branch 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 2022.
How much traffic does TR-487 over Rocky Branch carry?
About 50 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is TR-487 over Rocky Branch?
The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).
Who owns TR-487 over Rocky Branch?
It is owned by the Town or Township Highway Agency.