US Bridges

US-84 over Arroyo Nutrias

Fair

Rio Arriba County, New Mexico · 9.53 MI S of JCT Nm 531 · Structure no. 000000000005683

Built
1954
71 years old, rebuilt 2007
Condition
Fair
inspected October 2022
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,596
2023 count
Owner
State
State Highway Agency

About this bridge

US-84 over Arroyo Nutrias is a concrete culvert carrying US-84 over Arroyo Nutrias in Rio Arriba County, New Mexico. It was built in 1954 and reconstructed in 2007, so it is 71 years old, older than the New Mexico average of 51.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,596 vehicles a day, roughly 11% of them trucks, projected to reach 2,170 by 2043. The structure is 33 ft (10 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-84
CrossesArroyo Nutrias
Location9.53 MI S of JCT Nm 531
RouteU.S. Route 84
Coordinates36.57967, -106.51313
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating92.6 US tons
Inventory rating35.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10 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 traffic1,596 (2023)
Projected traffic2,170 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$128,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-84 over Arroyo Nutrias built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2007.

What condition is US-84 over Arroyo Nutrias in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2022.

How much traffic does US-84 over Arroyo Nutrias carry?

About 1,596 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-84 over Arroyo Nutrias?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).

Who owns US-84 over Arroyo Nutrias?

It is owned by the State Highway Agency.