SR278 Eureka-carli over Slough
Eureka County, Nevada · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR278 Eureka-carli over Slough in Eureka County, Nevada, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 770 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 7 of the 25 inventoried bridges in Eureka County rated good (28.0%); 0 (0.0%) 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 → (39.61299, -116.01627)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 21 ft |
| Location | 4.33 mi N of US50 |
| NBI structure number | B3265 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nevada department of transportation.
Busiest bridges in Eureka County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 80E over Palisade Exit 271 | 1967 | 4,725 | Fair |
| I 80W over Palisade Exit 271 | 1967 | 4,725 | Fair |
| I 80E over Dunphy Exit 254 | 1962 | 4,300 | Fair |
| I 80W over Dunphy Exit 254 | 1962 | 4,300 | Fair |
| I 80E over SR306 Gold Acres Rd | 1964 | 4,175 | Good |
| I 80W over SR306 Gold Acres Rd | 1964 | 4,175 | Fair |
All bridges nearby: Eureka County, NV bridge conditions · every bridge in Eureka County · Nevada bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.