N39 over Platte River
FairPolk County, Nebraska · 1S Silver Creek · Structure no. S039 00893
- Built
- 1970
- 55 years old, rebuilt 2007
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,010 ft
- 14 main spans
- Daily traffic
- 1,120
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N39 over Platte River is a prestressed concrete stringer/multi-beam or girder carrying N39 over Platte River in Polk County, Nebraska. It was built in 1970 and reconstructed in 2007, so it is 55 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 1,120 vehicles a day, roughly 13% of them trucks, projected to reach 1,568 by 2038. The structure is 1,010 ft (307.8 m) long and 43 ft wide. If it were closed, the detour would be 149.1 mi (240 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N39 over Platte River built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2007.
What condition is N39 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 December 2024.
How much traffic does N39 over Platte River carry?
About 1,120 vehicles per day (2018 count), of which roughly 13% are trucks.
How long is N39 over Platte River?
The structure is 1,010 ft (307.8 m) long with a longest span of 72 ft (21.9 m) and a deck 43 ft wide.
Who owns N39 over Platte River?
It is owned by the State Highway Agency.