US Bridges

NM-554 over El Rito Creek

FairPosted for load

Rio Arriba County, New Mexico · Nm 554 at Milepost 12.29 · Structure no. 000000000000338

Built
1957
68 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
33 ft
1 main span
Daily traffic
1,165
2023 count
Owner
State
State Highway Agency

About this bridge

NM-554 over El Rito Creek is a wood or timber stringer/multi-beam or girder carrying NM-554 over El Rito Creek in Rio Arriba County, New Mexico. It was built in 1957, so it is 68 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,165 vehicles a day, roughly 11% of them trucks, projected to reach 1,584 by 2043. The structure is 33 ft (10 m) long and 26 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesNM-554
CrossesEl Rito Creek
LocationNm 554 at Milepost 12.29
RouteState Highway 554
Coordinates36.34865, -106.18473
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.7 US tons
Inventory rating12.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length33 ft (10 m)
Longest span30 ft (9 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,165 (2023)
Projected traffic1,584 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.2 mi (105 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$320,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-554 over El Rito Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is NM-554 over El Rito 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 July 2023.

How much traffic does NM-554 over El Rito Creek carry?

About 1,165 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-554 over El Rito Creek?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9 m) and a deck 26 ft wide.

Who owns NM-554 over El Rito Creek?

It is owned by the State Highway Agency.