US Bridges

I-25 Nbl/Sbl over Sandhill Arroyo

Fair

Dona Ana County, New Mexico · 0.8 MI N of US-70 · Structure no. 000000000006183

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
73 ft
7 main spans
Daily traffic
15,931
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl over Sandhill Arroyo is a concrete culvert carrying I-25 Nbl/Sbl over Sandhill Arroyo in Dona Ana County, New Mexico. It was built in 1961, so it is 64 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 15,931 vehicles a day, roughly 14% of them trucks, projected to reach 21,666 by 2043. The structure is 73 ft (22.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Nbl/Sbl
CrossesSandhill Arroyo
Location0.8 MI N of US-70
RouteInterstate 25
CountyDona Ana County
StateNew Mexico
Coordinates32.35809, -106.77651
Functional classUrban 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 inspectionMay 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length73 ft (22.4 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 traffic15,931 (2023)
Projected traffic21,666 by 2043
Trucks14%
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 Sandhill Arroyo built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-25 Nbl/Sbl over Sandhill 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 May 2023.

How much traffic does I-25 Nbl/Sbl over Sandhill Arroyo carry?

About 15,931 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Nbl/Sbl over Sandhill Arroyo?

The structure is 73 ft (22.4 m) long with a longest span of 10 ft (3 m).

Who owns I-25 Nbl/Sbl over Sandhill Arroyo?

It is owned by the State Highway Agency.