US Bridges

US-550 over Escrito Canyon

Fair

Rio Arriba County, New Mexico · 1.85 MI W of Rio Arrib/Cl · Structure no. 000000000008494

Built
1985
40 years old
Condition
Fair
inspected May 2024
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
5,139
2023 count
Owner
State
State Highway Agency

About this bridge

US-550 over Escrito Canyon is a steel culvert carrying US-550 over Escrito Canyon in Rio Arriba County, New Mexico. It was built in 1985, so it is 40 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 5,139 vehicles a day, roughly 17% of them trucks, projected to reach 6,989 by 2043. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-550
CrossesEscrito Canyon
Location1.85 MI W of Rio Arrib/Cl
RouteU.S. Route 550
Coordinates36.22724, -107.51156
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,139 (2023)
Projected traffic6,989 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$331,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US-550 over Escrito Canyon built?

It was built in 1985, making it 40 years old in 2025.

What condition is US-550 over Escrito 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 May 2024.

How much traffic does US-550 over Escrito Canyon carry?

About 5,139 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-550 over Escrito Canyon?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m).

Who owns US-550 over Escrito Canyon?

It is owned by the State Highway Agency.