Il 78 over Trib. E. Plum River
GoodCarroll County, Illinois · 1.5 MI S Jo Daviess · Structure no. 008201200000000
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected October 2022
- Type
- Culvert
- Concrete
- Length
- 41 ft
- 3 main spans
- Daily traffic
- 625
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 78 over Trib. E. Plum River is a concrete culvert carrying Il 78 over Trib. E. Plum River in Carroll County, Illinois. It was built in 1993, so it is 32 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 625 vehicles a day, roughly 19% of them trucks, projected to reach 657 by 2046. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 19.9 mi (32 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 78 over Trib. E. Plum River built?
It was built in 1993, making it 32 years old in 2025.
What condition is Il 78 over Trib. E. Plum 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 October 2022.
How much traffic does Il 78 over Trib. E. Plum River carry?
About 625 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is Il 78 over Trib. E. Plum River?
The structure is 41 ft (12.5 m) long with a longest span of 13 ft (4.1 m).
Who owns Il 78 over Trib. E. Plum River?
It is owned by the State Highway Agency.