US Bridges

NM-522 over Unnamed Waterway

Fair

Taos County, New Mexico · Nm 522 Mm 32.3 · Structure no. 000000000006013

Built
1957
68 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
26 ft
4 main spans
Daily traffic
1,138
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 1957, so it is 68 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 1,138 vehicles a day, roughly 11% of them trucks, projected to reach 1,547 by 2043. The structure is 26 ft (8 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-522
CrossesUnnamed Waterway
LocationNm 522 Mm 32.3
RouteState Highway 522
Coordinates36.87701, -105.58188
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 inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length26 ft (8 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 traffic1,138 (2023)
Projected traffic1,547 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-522 over Unnamed Waterway built?

It was built in 1957, making it 68 years old in 2025.

What condition is NM-522 over Unnamed Waterway 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 May 2024.

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

About 1,138 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-522 over Unnamed Waterway?

The structure is 26 ft (8 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.