US Bridges

NM-423 WB over NM-47/SECOND Street

Good

Bernalillo County, New Mexico · 2.2 MI W of I-25/NM-423 · Structure no. 000000000008930

Built
1995
30 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
329 ft
3 main spans
Daily traffic
84,499
2023 count
Owner
State
State Highway Agency

About this bridge

NM-423 WB over NM-47/SECOND Street is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-423 WB over NM-47/SECOND Street in Bernalillo County, New Mexico. It was built in 1995, so it is 30 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 84,499 vehicles a day, roughly 12% of them trucks, projected to reach 114,918 by 2043. The structure is 329 ft (100.3 m) long and 52 ft wide.

CarriesNM-423 WB
CrossesNM-47/SECOND Street
Location2.2 MI W of I-25/NM-423
RouteState Highway 423
Coordinates35.17764, -106.62273
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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span124 ft (37.8 m)
Deck width52 ft (15.8 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,499 (2023)
Projected traffic114,918 by 2043
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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-423 WB over NM-47/SECOND Street built?

It was built in 1995, making it 30 years old in 2025.

What condition is NM-423 WB over NM-47/SECOND Street 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 August 2024.

How much traffic does NM-423 WB over NM-47/SECOND Street carry?

About 84,499 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-423 WB over NM-47/SECOND Street?

The structure is 329 ft (100.3 m) long with a longest span of 124 ft (37.8 m) and a deck 52 ft wide.

Who owns NM-423 WB over NM-47/SECOND Street?

It is owned by the State Highway Agency.