N47 over Platte River
FairDawson County, Nebraska · 1S Gothenburg · Structure no. S047 06149
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 825 ft
- 12 main spans
- Daily traffic
- 3,490
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N47 over Platte River is a prestressed concrete stringer/multi-beam or girder carrying N47 over Platte River in Dawson County, Nebraska. It was built in 1971, so it is 54 years old, older than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,490 vehicles a day, roughly 8% of them trucks, projected to reach 4,537 by 2038. The structure is 825 ft (251.5 m) long and 43 ft wide. If it were closed, the detour would be 261 mi (420 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 N47 over Platte River built?
It was built in 1971, making it 54 years old in 2025.
What condition is N47 over Platte River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.
How much traffic does N47 over Platte River carry?
About 3,490 vehicles per day (2018 count), of which roughly 8% are trucks.
How long is N47 over Platte River?
The structure is 825 ft (251.5 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.
Who owns N47 over Platte River?
It is owned by the State Highway Agency.