Aspen Avenue over Niobrara River
Rock County, Nebraska · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Aspen Avenue over Niobrara River in Rock County, Nebraska, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1912 and reconstructed in 1962, making it 113 years old at the 2025 inventory.
- It carries about 35 vehicles a day (traffic count year 2011).
- Its listed owner is the county highway agency.
- It is one of 1 of the 14 inventoried bridges in Rock County rated poor (7.1%); 1 (7.1%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2017, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.733, -99.4815)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 568 ft |
| Location | 6E N7 Keya Paha Cl |
| NBI structure number | C007522105 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | June 2017 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
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 N Br Elkhorn River | 1973 | 430 | 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 |
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.