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Nm-21 over La Maquina Creek

Colfax County, New Mexico · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Nm-21 over La Maquina Creek in Colfax County, New Mexico, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1961, making it 64 years old at the 2025 inventory.
It carries about 103 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 80 of the 139 inventoried bridges in Colfax County rated fair (57.6%); 5 (3.6%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Timber stringer or multi-beam girder
Length	about 33 ft
Location	13.3 Mi S of Jct US-64
NBI structure number	000000000001192
Condition class	Fair

Source: FHWA National Bridge Inventory, 2025 data as reported by the New Mexico department of transportation.

Bridge	Built	Vehicles/day	Condition
I-25 Nbl over Loop-17	1993	11,902	Good
I-25 Nbl over Lincoln Avenue (raton)	1960	10,589	Fair
I-25 Sbl over Lincoln Avenue	1960	10,589	Fair
I-25 Sbl over Loop-17	1993	10,176	Good
I-25 Nbl over US 64/loop-17	1959	7,719	Fair
I-25 Nbl over Willow Creek	1970	6,576	Fair