N15 over Big Blue River Trib
Butler County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N15 over Big Blue River Trib in Butler County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1974, making it 51 years old at the 2025 inventory.
- It carries about 3,015 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 43 of the 212 inventoried bridges in Butler County rated good (20.3%); 6 (2.8%) 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 → (41.137, -97.101)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 73 ft |
| Location | 16N Seward |
| NBI structure number | S015 08239 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Butler County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US81 over Stream | 1991 | 8,100 | Good |
| US81 over Clear Creek | 1991 | 8,100 | Good |
| US81 over Clear Creek | 1991 | 8,100 | Good |
| US81 over S Channel Platte River | 1991 | 8,100 | Fair |
| US81 over S Channel Platte River | 1991 | 8,100 | Good |
| US81 over Stream | 1992 | 8,100 | Good |
All bridges nearby: Butler County, NE bridge conditions · every bridge in Butler County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.