US Bridges

NM-68 over Rio De Truchas

Good

Rio Arriba County, New Mexico · 12.3 M N of JCT US84/285 · Structure no. 000000000009806

Built
2023
2 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
5,897
2021 count
Owner
State
State Highway Agency

About this bridge

NM-68 over Rio De Truchas is a prestressed concrete stringer/multi-beam or girder carrying NM-68 over Rio De Truchas in Rio Arriba County, New Mexico. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,897 vehicles a day, roughly 24% of them trucks, projected to reach 8,019 by 2041. The structure is 110 ft (33.5 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNM-68
CrossesRio De Truchas
Location12.3 M N of JCT US84/285
RouteState Highway 68
Coordinates36.1455, -105.98242
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span53 ft (16.2 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,897 (2021)
Projected traffic8,019 by 2041
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$328,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-68 over Rio De Truchas built?

It was built in 2023, making it 2 years old in 2025.

What condition is NM-68 over Rio De Truchas 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-68 over Rio De Truchas carry?

About 5,897 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is NM-68 over Rio De Truchas?

The structure is 110 ft (33.5 m) long with a longest span of 53 ft (16.2 m) and a deck 53 ft wide.

Who owns NM-68 over Rio De Truchas?

It is owned by the State Highway Agency.