US Bridges

I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo

Fair

Sandoval County, New Mexico · 6.4 MI N JCT NM-44/I-25 · Structure no. 000000000005761

Built
1955
70 years old, rebuilt 1983
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
35,761
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo is a concrete culvert carrying I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo in Sandoval County, New Mexico. It was built in 1955 and reconstructed in 1983, so it is 70 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 35,761 vehicles a day, roughly 45% of them trucks, projected to reach 48,634 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Nbl/Sbl/Frtg
CrossesMaria Chavez Arroyo
Location6.4 MI N JCT NM-44/I-25
RouteInterstate 25
CountySandoval County
StateNew Mexico
Coordinates35.38541, -106.46064
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
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 inspectionFebruary 2025
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,761 (2023)
Projected traffic48,634 by 2043
Trucks45%
Lanes on structure6
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$422,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1983.

What condition is I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo 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 February 2025.

How much traffic does I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo carry?

About 35,761 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m).

Who owns I-25 Nbl/Sbl/Frtg over Maria Chavez Arroyo?

It is owned by the State Highway Agency.