US Bridges

US 64 over Amargo Creek

Good

Rio Arriba County, New Mexico · US 64 @ MP144.8 · Structure no. 000000000009415

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
310 ft
3 main spans
Daily traffic
768
2023 count
Owner
State
State Highway Agency

About this bridge

US 64 over Amargo Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 64 over Amargo Creek in Rio Arriba County, New Mexico. It was built in 2013, so it is 12 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 768 vehicles a day, roughly 11% of them trucks, projected to reach 1,044 by 2043. The structure is 310 ft (94.4 m) long and 43 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesUS 64
CrossesAmargo Creek
LocationUS 64 @ MP144.8
RouteU.S. Route 64
Coordinates36.90349, -106.85527
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.5 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length310 ft (94.4 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13.1 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic768 (2023)
Projected traffic1,044 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 US 64 over Amargo Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is US 64 over Amargo 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 August 2023.

How much traffic does US 64 over Amargo Creek carry?

About 768 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 64 over Amargo Creek?

The structure is 310 ft (94.4 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns US 64 over Amargo Creek?

It is owned by the State Highway Agency.