US Bridges

US-550 over Rito Leche

Fair

Sandoval County, New Mexico · 0.3 MI S of JCT NM-126 · Structure no. 000000000006932

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
7,827
2023 count
Owner
State
State Highway Agency

About this bridge

US-550 over Rito Leche is a concrete continuous slab carrying US-550 over Rito Leche in Sandoval County, New Mexico. It was built in 1970, so it is 55 years old, older 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 7,827 vehicles a day, roughly 17% of them trucks, projected to reach 10,644 by 2043. The structure is 67 ft (20.4 m) long and 87 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS-550
CrossesRito Leche
Location0.3 MI S of JCT NM-126
RouteU.S. Route 550
Coordinates36.01805, -106.96072
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.9 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span25 ft (7.6 m)
Deck width87 ft (26.5 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,827 (2023)
Projected traffic10,644 by 2043
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$398,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-550 over Rito Leche built?

It was built in 1970, making it 55 years old in 2025.

What condition is US-550 over Rito Leche 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 July 2024.

How much traffic does US-550 over Rito Leche carry?

About 7,827 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-550 over Rito Leche?

The structure is 67 ft (20.4 m) long with a longest span of 25 ft (7.6 m) and a deck 87 ft wide.

Who owns US-550 over Rito Leche?

It is owned by the State Highway Agency.