US Bridges

NM-419 over Unnamed Waterway

Good

San Miguel County, New Mexico · 10.5 MI N of NM-104 · Structure no. 000000000005966

Built
1958
67 years old, rebuilt 1997
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
26 ft
1 main span
Daily traffic
45
2023 count
Owner
State
State Highway Agency

About this bridge

NM-419 over Unnamed Waterway is a wood or timber stringer/multi-beam or girder carrying NM-419 over Unnamed Waterway in San Miguel County, New Mexico. It was built in 1958 and reconstructed in 1997, so it is 67 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, roughly 8% of them trucks, projected to reach 61 by 2043. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 95.1 mi (153 km).

CarriesNM-419
CrossesUnnamed Waterway
Location10.5 MI N of NM-104
RouteState Highway 419
Coordinates35.54411, -104.40777
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating39.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic61 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed95.1 mi (153 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-419 over Unnamed Waterway built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1997.

What condition is NM-419 over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does NM-419 over Unnamed Waterway carry?

About 45 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is NM-419 over Unnamed Waterway?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns NM-419 over Unnamed Waterway?

It is owned by the State Highway Agency.