US Bridges

IRR/I-25 Nbl over Arenal Canal

Good

Bernalillo County, New Mexico · 9.9 MI N JCT I-25 / NM-6 · Structure no. 000000000007321

Built
1973
52 years old, rebuilt 1996
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
126 ft
3 main spans
Daily traffic
30,896
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/I-25 Nbl over Arenal Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR/I-25 Nbl over Arenal Canal in Bernalillo County, New Mexico. It was built in 1973 and reconstructed in 1996, so it is 52 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30,896 vehicles a day, roughly 14% of them trucks, projected to reach 42,018 by 2043. The structure is 126 ft (38.4 m) long and 45 ft wide.

CarriesIRR/I-25 Nbl
CrossesArenal Canal
Location9.9 MI N JCT I-25 / NM-6
RouteInterstate 25
Coordinates34.94665, -106.69925
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span57 ft (17.4 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,896 (2023)
Projected traffic42,018 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$300,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/I-25 Nbl over Arenal Canal built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1996.

What condition is IRR/I-25 Nbl over Arenal Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does IRR/I-25 Nbl over Arenal Canal carry?

About 30,896 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is IRR/I-25 Nbl over Arenal Canal?

The structure is 126 ft (38.4 m) long with a longest span of 57 ft (17.4 m) and a deck 45 ft wide.

Who owns IRR/I-25 Nbl over Arenal Canal?

It is owned by the State Highway Agency.