US Bridges

NM-522 over Unnamed Waterway

Good

Taos County, New Mexico · Nm 522 Mm 18.6 · Structure no. 000000000005685

Built
1953
72 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
39 ft
6 main spans
Daily traffic
3,269
2023 count
Owner
State
State Highway Agency

About this bridge

NM-522 over Unnamed Waterway is a concrete culvert carrying NM-522 over Unnamed Waterway in Taos County, New Mexico. It was built in 1953, so it is 72 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 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 3,269 vehicles a day, roughly 11% of them trucks, projected to reach 4,445 by 2043. The structure is 39 ft (12 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-522
CrossesUnnamed Waterway
LocationNm 522 Mm 18.6
RouteState Highway 522
Coordinates36.69056, -105.6163
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length39 ft (12 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,269 (2023)
Projected traffic4,445 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$132,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-522 over Unnamed Waterway built?

It was built in 1953, making it 72 years old in 2025.

What condition is NM-522 over Unnamed Waterway 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 January 2022.

How much traffic does NM-522 over Unnamed Waterway carry?

About 3,269 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-522 over Unnamed Waterway?

The structure is 39 ft (12 m) long with a longest span of 6 ft (1.8 m).

Who owns NM-522 over Unnamed Waterway?

It is owned by the State Highway Agency.