US Bridges

NM-528 over Arroyo Delos Montoyas

Good

Sandoval County, New Mexico · 6.4 MI S of JCT US-550 · Structure no. 000000000007954

Built
1977
48 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
72 ft
7 main spans
Daily traffic
37,427
2023 count
Owner
State
State Highway Agency

About this bridge

NM-528 over Arroyo Delos Montoyas is a concrete culvert carrying NM-528 over Arroyo Delos Montoyas in Sandoval County, New Mexico. It was built in 1977, so it is 48 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 37,427 vehicles a day, roughly 12% of them trucks, projected to reach 50,900 by 2043. The structure is 72 ft (22 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesNM-528
CrossesArroyo Delos Montoyas
Location6.4 MI S of JCT US-550
RouteState Highway 528
Coordinates35.25704, -106.64177
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating35.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length72 ft (22 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,427 (2023)
Projected traffic50,900 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-528 over Arroyo Delos Montoyas built?

It was built in 1977, making it 48 years old in 2025.

What condition is NM-528 over Arroyo Delos Montoyas 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 November 2024.

How much traffic does NM-528 over Arroyo Delos Montoyas carry?

About 37,427 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-528 over Arroyo Delos Montoyas?

The structure is 72 ft (22 m) long with a longest span of 10 ft (3 m).

Who owns NM-528 over Arroyo Delos Montoyas?

It is owned by the State Highway Agency.