US Bridges

55-057 over Rio Lucio

Fair

Taos County, New Mexico · 0.23 MI South JCT NM-75 · Structure no. 000000000008380

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

55-057 over Rio Lucio is a prestressed concrete tee beam carrying 55-057 over Rio Lucio in Taos County, New Mexico. It was built in 1980, so it is 45 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 5 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 250 vehicles a day, projected to reach 340 by 2043. The structure is 30 ft (9.1 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries55-057
CrossesRio Lucio
Location0.23 MI South JCT NM-75
RouteCounty Highway 55057
Coordinates36.18804, -105.71665
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic340 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$33,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 55-057 over Rio Lucio built?

It was built in 1980, making it 45 years old in 2025.

What condition is 55-057 over Rio Lucio 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 September 2024.

How much traffic does 55-057 over Rio Lucio carry?

About 250 vehicles per day (2023 count).

How long is 55-057 over Rio Lucio?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 17 ft wide.

Who owns 55-057 over Rio Lucio?

It is owned by the County Highway Agency.