N52/N56 over Cedar River
GoodBoone County, Nebraska · 0SE Cedar Rapids · Structure no. S052 01328
- Built
- 1961
- 64 years old, rebuilt 1994
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 211 ft
- 3 main spans
- Daily traffic
- 460
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N52/N56 over Cedar River is a steel continuous stringer/multi-beam or girder carrying N52/N56 over Cedar River in Boone County, Nebraska. It was built in 1961 and reconstructed in 1994, so it is 64 years old, older than the Nebraska average of 47.1 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 460 vehicles a day, roughly 10% of them trucks, projected to reach 667 by 2038. The structure is 211 ft (64.3 m) long and 34 ft wide. If it were closed, the detour would be 12.4 mi (20 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N52/N56 over Cedar River built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1994.
What condition is N52/N56 over Cedar 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 June 2023.
How much traffic does N52/N56 over Cedar River carry?
About 460 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is N52/N56 over Cedar River?
The structure is 211 ft (64.3 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.
Who owns N52/N56 over Cedar River?
It is owned by the State Highway Agency.