US Bridges

NM-347 over Encantado Channel

Good

Sandoval County, New Mexico · 0.1 M S JCT US-550/NM-347 · Structure no. 000000000009457

Built
2014
11 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
9,726
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

NM-347 over Encantado Channel is a prestressed concrete stringer/multi-beam or girder carrying NM-347 over Encantado Channel in Sandoval County, New Mexico. It was built in 2014, so it is 11 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 9,726 vehicles a day, roughly 7% of them trucks, projected to reach 13,227 by 2043. The structure is 84 ft (25.6 m) long and 117 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesNM-347
CrossesEncantado Channel
Location0.1 M S JCT US-550/NM-347
RouteState Highway 347
Coordinates35.33695, -106.58486
Functional classUrban Other Principal Arterial

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 inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating41.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width117 ft (35.7 m)
Roadway width115 ft (34.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,726 (2023)
Projected traffic13,227 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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-347 over Encantado Channel built?

It was built in 2014, making it 11 years old in 2025.

What condition is NM-347 over Encantado Channel 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 October 2024.

How much traffic does NM-347 over Encantado Channel carry?

About 9,726 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is NM-347 over Encantado Channel?

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 117 ft wide.

Who owns NM-347 over Encantado Channel?

It is owned by the City or Municipal Highway Agency.