US Bridges

NM-522 over Arroyo Hondo

Fair

Taos County, New Mexico · 6.9 MI N of JCT US-64 · Structure no. 000000000003463

Built
1947
78 years old, rebuilt 1983
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
103 ft
2 main spans
Daily traffic
3,991
2023 count
Owner
State
State Highway Agency

About this bridge

NM-522 over Arroyo Hondo is a steel stringer/multi-beam or girder carrying NM-522 over Arroyo Hondo in Taos County, New Mexico. It was built in 1947 and reconstructed in 1983, so it is 78 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 3,991 vehicles a day, roughly 11% of them trucks, projected to reach 5,427 by 2043. The structure is 103 ft (31.4 m) long and 47 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-522
CrossesArroyo Hondo
Location6.9 MI N of JCT US-64
RouteState Highway 522
Coordinates36.53521, -105.66679
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span49 ft (14.9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,991 (2023)
Projected traffic5,427 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$348,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-522 over Arroyo Hondo built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1983.

What condition is NM-522 over Arroyo Hondo 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 April 2023.

How much traffic does NM-522 over Arroyo Hondo carry?

About 3,991 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-522 over Arroyo Hondo?

The structure is 103 ft (31.4 m) long with a longest span of 49 ft (14.9 m) and a deck 47 ft wide.

Who owns NM-522 over Arroyo Hondo?

It is owned by the State Highway Agency.