US Bridges

NM-402 over Perico Creek

Good

Union County, New Mexico · 17.6 MI N of JCT NM-421 · Structure no. 000000000008680

Built
1988
37 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
257 ft
5 main spans
Daily traffic
348
2023 count
Owner
State
State Highway Agency

About this bridge

NM-402 over Perico Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NM-402 over Perico Creek in Union County, New Mexico. It was built in 1988, so it is 37 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 348 vehicles a day, roughly 11% of them trucks, projected to reach 473 by 2043. The structure is 257 ft (78.3 m) long and 43 ft wide. If it were closed, the detour would be 88.2 mi (142 km).

CarriesNM-402
CrossesPerico Creek
Location17.6 MI N of JCT NM-421
RouteState Highway 402
Coordinates36.39531, -103.18156
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 above top of footing
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 rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length257 ft (78.3 m)
Longest span49 ft (14.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic348 (2023)
Projected traffic473 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed88.2 mi (142 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-402 over Perico Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is NM-402 over Perico 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-402 over Perico Creek carry?

About 348 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-402 over Perico Creek?

The structure is 257 ft (78.3 m) long with a longest span of 49 ft (14.9 m) and a deck 43 ft wide.

Who owns NM-402 over Perico Creek?

It is owned by the State Highway Agency.