TR 7A over Black Walnut CR
FairKankakee County, Illinois · 3 MI NE Manteno · Structure no. 046337300000000
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 62 ft
- 3 main spans
- Daily traffic
- 100
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 7A over Black Walnut CR is a prestressed concrete box beam or girders - multiple carrying TR 7A over Black Walnut CR in Kankakee County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 100 vehicles a day, roughly 17% of them trucks, projected to reach 102 by 2046. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 7A over Black Walnut CR built?
It was built in 1982, making it 43 years old in 2025.
What condition is TR 7A over Black Walnut CR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does TR 7A over Black Walnut CR carry?
About 100 vehicles per day (2021 count), of which roughly 17% are trucks.
How long is TR 7A over Black Walnut CR?
The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 26 ft wide.
Who owns TR 7A over Black Walnut CR?
It is owned by the Town or Township Highway Agency.