US Bridges

I-25 Nbl/Sbl over N Branch Maria Chavez Ar

Fair

Sandoval County, New Mexico · 6.7 MI N of JCT US-550 · Structure no. 000000000005762

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

About this bridge

I-25 Nbl/Sbl over N Branch Maria Chavez Ar is a concrete culvert carrying I-25 Nbl/Sbl over N Branch Maria Chavez Ar 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 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 35,761 vehicles a day, roughly 45% of them trucks, projected to reach 48,634 by 2043. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Nbl/Sbl
CrossesN Branch Maria Chavez Ar
Location6.7 MI N of JCT US-550
RouteInterstate 25
CountySandoval County
StateNew Mexico
Coordinates35.38795, -106.45742
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span10 ft (3 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 structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl/Sbl over N Branch Maria Chavez Ar 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 over N Branch Maria Chavez Ar 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 2023.

How much traffic does I-25 Nbl/Sbl over N Branch Maria Chavez Ar carry?

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

How long is I-25 Nbl/Sbl over N Branch Maria Chavez Ar?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns I-25 Nbl/Sbl over N Branch Maria Chavez Ar?

It is owned by the State Highway Agency.