County Road 446 over Field Drain
GoodDawson County, Nebraska · 1.5N of Sumner · Structure no. C002427720
- Built
- 1963
- 62 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 120
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 446 over Field Drain is a prestressed concrete stringer/multi-beam or girder carrying County Road 446 over Field Drain in Dawson County, Nebraska. It was built in 1963, so it is 62 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 204 by 2033. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 446 over Field Drain built?
It was built in 1963, making it 62 years old in 2025.
What condition is County Road 446 over Field Drain 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 November 2023.
How much traffic does County Road 446 over Field Drain carry?
About 120 vehicles per day (2003 count), of which roughly 10% are trucks.
How long is County Road 446 over Field Drain?
The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.
Who owns County Road 446 over Field Drain?
It is owned by the County Highway Agency.