Lower Blackburn Grade Bridge
Historic structure · outside city limits
Lower Blackburn Grade Bridge is a historic place in Humboldt County, California, listed on the National Register of Historic Places on 1981-06-25.
Place facts
- Category
- Historic structure
- Resource type
- Structure
- State
- California (CA)
- County
- Humboldt County
- NRHP reference number
- 81000148
- Coordinates
- 40.48055, -123.89060
- Listed on the National Register
- 1981-06-25
- Nearest city (outside city limits)
- Bridgeville
Location
Published coordinates: 40.48055, -123.89060. These are the coordinates as published by the source; they are never estimated or geocoded.
Sources
Every fact on this page comes from the registered datasets below, cited per claim and carried through an independently verified content release.
- Listing recordNational Park Service, nps.nrhp-listed (version 2026-05-22), NRHP reference 81000148
- CoordinatesNational Park Service, nps.nrhp-points-ca (version 2026-08-24), NRHP reference 81000148