N Elizabeth Route over Plum River
GoodCarroll County, Illinois · 4MILES NW Mt.Carroll · Structure no. 008310800000000
- Built
- 1961
- 64 years old, rebuilt 2000
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 259 ft
- 4 main spans
- Daily traffic
- 450
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
N Elizabeth Route over Plum River is a steel continuous stringer/multi-beam or girder carrying N Elizabeth Route over Plum River in Carroll County, Illinois. It was built in 1961 and reconstructed in 2000, so it is 64 years old, older 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 455 by 2046. The structure is 259 ft (79 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Elizabeth Route over Plum River built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2000.
What condition is N Elizabeth Route over 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 May 2024.
How much traffic does N Elizabeth Route over Plum River carry?
About 450 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is N Elizabeth Route over Plum River?
The structure is 259 ft (79 m) long with a longest span of 76 ft (23.3 m) and a deck 30 ft wide.
Who owns N Elizabeth Route over Plum River?
It is owned by the County Highway Agency.