US Bridges

NM-570 over Unnamed Waterway

Good

Taos County, New Mexico · 2.5 MI W of NM-68 / Pilar · Structure no. 000000000008740

Built
1990
35 years old
Condition
Good
inspected December 2022
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

NM-570 over Unnamed Waterway is a concrete culvert carrying NM-570 over Unnamed Waterway in Taos County, New Mexico. It was built in 1990, so it is 35 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 125 vehicles a day, roughly 11% of them trucks, projected to reach 170 by 2043. The structure is 33 ft (10 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNM-570
CrossesUnnamed Waterway
Location2.5 MI W of NM-68 / Pilar
RouteState Highway 570
Coordinates36.29764, -105.77299
Functional classRural Minor Collector

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 inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.5 US tons
Inventory rating35.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
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 traffic125 (2023)
Projected traffic170 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-570 over Unnamed Waterway built?

It was built in 1990, making it 35 years old in 2025.

What condition is NM-570 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 December 2022.

How much traffic does NM-570 over Unnamed Waterway carry?

About 125 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-570 over Unnamed Waterway?

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

Who owns NM-570 over Unnamed Waterway?

It is owned by the State Highway Agency.