US Bridges

US-64 over I-25 Nbl/Sbl

Fair

Colfax County, New Mexico · 3.2 MI S LOOP-17/RATON S · Structure no. 000000000006929

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
5 main spans
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

US-64 over I-25 Nbl/Sbl is a prestressed concrete stringer/multi-beam or girder carrying US-64 over I-25 Nbl/Sbl in Colfax County, New Mexico. It was built in 1969, so it is 56 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 650 vehicles a day, roughly 11% of them trucks, projected to reach 884 by 2043. The structure is 302 ft (92.1 m) long and 34 ft wide.

CarriesUS-64
CrossesI-25 Nbl/Sbl
Location3.2 MI S LOOP-17/RATON S
RouteU.S. Route 64
Coordinates36.81803, -104.44327
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length302 ft (92.1 m)
Longest span72 ft (21.9 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic884 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-64 over I-25 Nbl/Sbl built?

It was built in 1969, making it 56 years old in 2025.

What condition is US-64 over I-25 Nbl/Sbl 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 US-64 over I-25 Nbl/Sbl carry?

About 650 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-64 over I-25 Nbl/Sbl?

The structure is 302 ft (92.1 m) long with a longest span of 72 ft (21.9 m) and a deck 34 ft wide.

Who owns US-64 over I-25 Nbl/Sbl?

It is owned by the State Highway Agency.