US Bridges

Unser Blvd NW over Calabacillas Arroyo

Good

Bernalillo County, New Mexico · 0.18 MI N of Irving ST NW · Structure no. 000000000008806

Built
1991
34 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
22,891
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Unser Blvd NW over Calabacillas Arroyo is a prestressed concrete stringer/multi-beam or girder carrying Unser Blvd NW over Calabacillas Arroyo in Bernalillo County, New Mexico. It was built in 1991, so it is 34 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 22,891 vehicles a day, roughly 13% of them trucks, projected to reach 31,131 by 2043. The structure is 69 ft (21 m) long and 121 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUnser Blvd NW
CrossesCalabacillas Arroyo
Location0.18 MI N of Irving ST NW
RouteCity Street 4081
Coordinates35.20584, -106.70304
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.1 US tons
Inventory rating34.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span66 ft (20.1 m)
Deck width121 ft (37 m)
Roadway width105 ft (31.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,891 (2023)
Projected traffic31,131 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Unser Blvd NW over Calabacillas Arroyo built?

It was built in 1991, making it 34 years old in 2025.

What condition is Unser Blvd NW over Calabacillas Arroyo 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 April 2024.

How much traffic does Unser Blvd NW over Calabacillas Arroyo carry?

About 22,891 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Unser Blvd NW over Calabacillas Arroyo?

The structure is 69 ft (21 m) long with a longest span of 66 ft (20.1 m) and a deck 121 ft wide.

Who owns Unser Blvd NW over Calabacillas Arroyo?

It is owned by the City or Municipal Highway Agency.