N137 over N Br Elkhorn River
Rock County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N137 over N Br Elkhorn River in Rock County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 430 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 8 of the 14 inventoried bridges in Rock County rated good (57.1%); 1 (7.1%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.6114, -99.3238)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 39 ft |
| Location | 1N Newport |
| NBI structure number | S137 00121 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Rock County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US20/US183/N7 over Abandoned RR | 1938 | 2,860 | Good |
| N137 over Niobrara River | 1974 | 430 | Good |
| N7 over Niobrara River | 1982 | 395 | Good |
| 889TH Rd over Long Pine Creek | 2020 | 45 | Good |
| 449TH Ave over Laughing Water Creek | 2002 | 45 | Good |
| County Highway over Skull Creek | 1969 | 35 | Fair |
All bridges nearby: Rock County, NE bridge conditions · every bridge in Rock County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.