US Bridges

IRR/I-25 Sbl over Arroyo De Los Tanos

Fair

Sandoval County, New Mexico · 12.3 MI N JCT I-25/US-550 · Structure no. 000000000008423

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
136 ft
2 main spans
Daily traffic
42,126
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/I-25 Sbl over Arroyo De Los Tanos is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR/I-25 Sbl over Arroyo De Los Tanos in Sandoval County, New Mexico. It was built in 1983, so it is 42 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 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 42,126 vehicles a day, roughly 45% of them trucks, projected to reach 57,291 by 2043. The structure is 136 ft (41.5 m) long and 45 ft wide.

CarriesIRR/I-25 Sbl
CrossesArroyo De Los Tanos
Location12.3 MI N JCT I-25/US-550
RouteInterstate 25
Coordinates35.43482, -106.37853
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.7 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span65 ft (19.8 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,126 (2023)
Projected traffic57,291 by 2043
Trucks45%
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/I-25 Sbl over Arroyo De Los Tanos built?

It was built in 1983, making it 42 years old in 2025.

What condition is IRR/I-25 Sbl over Arroyo De Los Tanos 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 October 2024.

How much traffic does IRR/I-25 Sbl over Arroyo De Los Tanos carry?

About 42,126 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is IRR/I-25 Sbl over Arroyo De Los Tanos?

The structure is 136 ft (41.5 m) long with a longest span of 65 ft (19.8 m) and a deck 45 ft wide.

Who owns IRR/I-25 Sbl over Arroyo De Los Tanos?

It is owned by the State Highway Agency.