US Bridges

US-64 over Amargo Creek

Fair

Rio Arriba County, New Mexico · US-64 at MP-142.1 · Structure no. 000000000009387

Built
2008
17 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
768
2023 count
Owner
State
State Highway Agency

About this bridge

US-64 over Amargo Creek is a prestressed concrete stringer/multi-beam or girder carrying US-64 over Amargo Creek in Rio Arriba County, New Mexico. It was built in 2008, so it is 17 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 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 768 vehicles a day, roughly 11% of them trucks, projected to reach 1,044 by 2043. The structure is 110 ft (33.5 m) long and 43 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesUS-64
CrossesAmargo Creek
LocationUS-64 at MP-142.1
RouteU.S. Route 64
Coordinates36.93256, -106.88693
Functional classRural Minor Arterial

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.7 US tons
Inventory rating45.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13.1 m)
Roadway width41 ft (12.5 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 closed98.2 mi (158 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 2008, making it 17 years old in 2025.

What condition is US-64 over Amargo Creek 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 May 2024.

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 110 ft (33.5 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns US-64 over Amargo Creek?

It is owned by the State Highway Agency.