N137 over Niobrara River
GoodRock County, Nebraska · 13N Newport · Structure no. S137 01328
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 364 ft
- 4 main spans
- Daily traffic
- 430
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N137 over Niobrara River is a steel continuous stringer/multi-beam or girder carrying N137 over Niobrara River in Rock County, Nebraska. It was built in 1974, so it is 51 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 430 vehicles a day, roughly 7% of them trucks, projected to reach 559 by 2038. The structure is 364 ft (110.9 m) long and 39 ft wide. If it were closed, the detour would be 379 mi (610 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 | 9 Excellent | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N137 over Niobrara River built?
It was built in 1974, making it 51 years old in 2025.
What condition is N137 over Niobrara 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 March 2023.
How much traffic does N137 over Niobrara River carry?
About 430 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is N137 over Niobrara River?
The structure is 364 ft (110.9 m) long with a longest span of 100 ft (30.5 m) and a deck 39 ft wide.
Who owns N137 over Niobrara River?
It is owned by the State Highway Agency.