US Bridges

IRR/US-64 over Rio Lucero

Fair

Taos County, New Mexico · 1.5 N of Taos Plaza Light · Structure no. 000000000002646

Built
1939
86 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
12,606
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/US-64 over Rio Lucero is a concrete culvert carrying IRR/US-64 over Rio Lucero in Taos County, New Mexico. It was built in 1939, so it is 86 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.

It carries about 12,606 vehicles a day, roughly 13% of them trucks, projected to reach 17,144 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR/US-64
CrossesRio Lucero
Location1.5 N of Taos Plaza Light
RouteU.S. Route 64
Coordinates36.42652, -105.5743
Functional classUrban Other Principal Arterial

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,606 (2023)
Projected traffic17,144 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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$80,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/US-64 over Rio Lucero built?

It was built in 1939, making it 86 years old in 2025.

What condition is IRR/US-64 over Rio Lucero 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 April 2024.

How much traffic does IRR/US-64 over Rio Lucero carry?

About 12,606 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IRR/US-64 over Rio Lucero?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns IRR/US-64 over Rio Lucero?

It is owned by the State Highway Agency.