US Bridges

NM-419 over Unnamed Waterway

Good

San Miguel County, New Mexico · 8.4 M N JCT NM-104/NM-419 · Structure no. 000000000009648

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
97 ft
2 main spans
Daily traffic
45
2023 count
Owner
State
State Highway Agency

About this bridge

NM-419 over Unnamed Waterway is a prestressed concrete box beam or girders - multiple carrying NM-419 over Unnamed Waterway in San Miguel County, New Mexico. It was built in 2015, so it is 10 years old, younger 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 97 ft (29.6 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNM-419
CrossesUnnamed Waterway
Location8.4 M N JCT NM-104/NM-419
RouteState Highway 419
Coordinates35.51542, -104.39966
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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length97 ft (29.6 m)
Longest span49 ft (14.8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 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 closed123.7 mi (199 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-419 over Unnamed Waterway built?

It was built in 2015, making it 10 years old in 2025.

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 March 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 97 ft (29.6 m) long with a longest span of 49 ft (14.8 m) and a deck 36 ft wide.

Who owns NM-419 over Unnamed Waterway?

It is owned by the State Highway Agency.