Bridge conditions in Los Alamos County, New Mexico
3 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
None of the 3 inventoried bridges in Los Alamos County are rated in poor condition in the current federal inventory. 1 are rated good and 2 fair.
- 0 of the 3 bridges in Los Alamos County, New Mexico, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 1 bridges (33.3%) are rated good and 2 (66.7%) fair.
- The median Los Alamos County bridge was built in 1954.
Good 33.3% · Fair 66.7% · Poor 0.0% of 3 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| NM501 over Omega Road West Road | 1951 | 8,118 | Fair |
| Nm-4 over Unnamed Waterway | 1954 | 1,036 | Good |
| Canyon Glen Rd over Glen Canyon | 1999 | 477 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of New Mexico: New Mexico bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.