US Bridges

US-64 over Irrigation Channel

Fair

San Juan County, New Mexico · 4.8 MI E of US-491 · Structure no. 000000000010096

Built
1976
49 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
92 ft
5 main spans
Daily traffic
15,364
2023 count
Owner
State
State Highway Agency

About this bridge

US-64 over Irrigation Channel is a concrete culvert carrying US-64 over Irrigation Channel in San Juan County, New Mexico. It was built in 1976, so it is 49 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 15,364 vehicles a day, roughly 17% of them trucks, projected to reach 20,895 by 2043. The structure is 92 ft (28 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-64
CrossesIrrigation Channel
Location4.8 MI E of US-491
RouteU.S. Route 64
Coordinates36.76832, -108.60023
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length92 ft (28 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,364 (2023)
Projected traffic20,895 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-64 over Irrigation Channel built?

It was built in 1976, making it 49 years old in 2025.

What condition is US-64 over Irrigation Channel 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 February 2024.

How much traffic does US-64 over Irrigation Channel carry?

About 15,364 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-64 over Irrigation Channel?

The structure is 92 ft (28 m) long with a longest span of 15 ft (4.6 m).

Who owns US-64 over Irrigation Channel?

It is owned by the State Highway Agency.