US Bridges

NM-406 over Rabbit Ear Creek

Good

Union County, New Mexico · 2.4 MI N of JCT US-56/64 · Structure no. 000000000008804

Built
1992
33 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
167 ft
5 main spans
Daily traffic
173
2023 count
Owner
State
State Highway Agency

About this bridge

NM-406 over Rabbit Ear Creek is a concrete continuous slab carrying NM-406 over Rabbit Ear Creek in Union County, New Mexico. It was built in 1992, so it is 33 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 173 vehicles a day, roughly 10% of them trucks, projected to reach 235 by 2043. The structure is 167 ft (50.9 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-406
CrossesRabbit Ear Creek
Location2.4 MI N of JCT US-56/64
RouteState Highway 406
Coordinates36.49937, -103.12696
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 protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.2 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span36 ft (11 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173 (2023)
Projected traffic235 by 2043
Trucks10%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-406 over Rabbit Ear Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is NM-406 over Rabbit Ear Creek 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 June 2024.

How much traffic does NM-406 over Rabbit Ear Creek carry?

About 173 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NM-406 over Rabbit Ear Creek?

The structure is 167 ft (50.9 m) long with a longest span of 36 ft (11 m) and a deck 43 ft wide.

Who owns NM-406 over Rabbit Ear Creek?

It is owned by the State Highway Agency.