474th Road over Ponca Creek
GoodBoyd County, Nebraska · 1.5N 4E of Naper · Structure no. C000802515
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 88 ft
- 3 main spans
- Daily traffic
- 25
- 1998 count
- Owner
- County
- County Highway Agency
About this bridge
474th Road over Ponca Creek is a steel stringer/multi-beam or girder carrying 474th Road over Ponca Creek in Boyd County, Nebraska. It was built in 2002, so it is 23 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 25 vehicles a day, projected to reach 42 by 2033. The structure is 88 ft (26.8 m) long and 27 ft wide. If it were closed, the detour would be 68.4 mi (110 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 | 8 Very Good | No problems noted. |
| 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 474th Road over Ponca Creek built?
It was built in 2002, making it 23 years old in 2025.
What condition is 474th Road over Ponca Creek 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 September 2024.
How much traffic does 474th Road over Ponca Creek carry?
About 25 vehicles per day (1998 count).
How long is 474th Road over Ponca Creek?
The structure is 88 ft (26.8 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.
Who owns 474th Road over Ponca Creek?
It is owned by the County Highway Agency.