US Bridges

NM-27 over Trujillo Canyon

Fair

Sierra County, New Mexico · 3.5 MI S of JCT NM-152 · Structure no. 000000000007458

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
100
2023 count
Owner
State
State Highway Agency

About this bridge

NM-27 over Trujillo Canyon is a prestressed concrete stringer/multi-beam or girder carrying NM-27 over Trujillo Canyon in Sierra County, New Mexico. It was built in 1973, so it is 52 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 100 vehicles a day, roughly 12% of them trucks, projected to reach 136 by 2043. The structure is 88 ft (26.7 m) long and 35 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

CarriesNM-27
CrossesTrujillo Canyon
Location3.5 MI S of JCT NM-152
RouteState Highway 27
Coordinates32.87626, -107.54344
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.6 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length88 ft (26.7 m)
Longest span83 ft (25.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic136 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$36,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-27 over Trujillo Canyon built?

It was built in 1973, making it 52 years old in 2025.

What condition is NM-27 over Trujillo Canyon 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 July 2023.

How much traffic does NM-27 over Trujillo Canyon carry?

About 100 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-27 over Trujillo Canyon?

The structure is 88 ft (26.7 m) long with a longest span of 83 ft (25.3 m) and a deck 35 ft wide.

Who owns NM-27 over Trujillo Canyon?

It is owned by the State Highway Agency.