US Bridges

NM-122 over Mitchell Draw

Good

McKinley County, New Mexico · 10.9 MI W of JCT NM-605 · Structure no. 000000000009426

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
82 ft
2 main spans
Daily traffic
1,646
2023 count
Owner
State
State Highway Agency

About this bridge

NM-122 over Mitchell Draw is a steel continuous stringer/multi-beam or girder carrying NM-122 over Mitchell Draw in McKinley County, New Mexico. It was built in 2008, so it is 17 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 1,646 vehicles a day, roughly 11% of them trucks, projected to reach 2,238 by 2043. The structure is 82 ft (25.1 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNM-122
CrossesMitchell Draw
Location10.9 MI W of JCT NM-605
RouteState Highway 122
Coordinates35.32185, -107.99547
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating37.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length82 ft (25.1 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,646 (2023)
Projected traffic2,238 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-122 over Mitchell Draw built?

It was built in 2008, making it 17 years old in 2025.

What condition is NM-122 over Mitchell Draw 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 July 2023.

How much traffic does NM-122 over Mitchell Draw carry?

About 1,646 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-122 over Mitchell Draw?

The structure is 82 ft (25.1 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns NM-122 over Mitchell Draw?

It is owned by the State Highway Agency.