US Bridges

I-25 Nbl over Canadian River

Fair

Colfax County, New Mexico · 13.9 MI N of JCT NM-445 · Structure no. 000000000006918

Built
1969
56 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
390 ft
5 main spans
Daily traffic
6,576
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Canadian River is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over Canadian River 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 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 6,576 vehicles a day, roughly 45% of them trucks, projected to reach 8,943 by 2043. The structure is 390 ft (118.9 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Nbl
CrossesCanadian River
Location13.9 MI N of JCT NM-445
RouteInterstate 25
CountyColfax County
StateNew Mexico
Coordinates36.72363, -104.46585
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length390 ft (118.9 m)
Longest span76 ft (23.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,576 (2023)
Projected traffic8,943 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-25 Nbl over Canadian River built?

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

What condition is I-25 Nbl over Canadian River 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 I-25 Nbl over Canadian River carry?

About 6,576 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over Canadian River?

The structure is 390 ft (118.9 m) long with a longest span of 76 ft (23.2 m) and a deck 41 ft wide.

Who owns I-25 Nbl over Canadian River?

It is owned by the State Highway Agency.