US Bridges

I-25 Nbl/Sbl over Unnamed Waterway

Good

Dona Ana County, New Mexico · 0.3 MI S of US-70 · Structure no. 000000000006194

Built
1960
65 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
30,942
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl over Unnamed Waterway is a concrete culvert carrying I-25 Nbl/Sbl over Unnamed Waterway in Dona Ana County, New Mexico. It was built in 1960, so it is 65 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 30,942 vehicles a day, roughly 14% of them trucks, projected to reach 42,081 by 2043. The structure is 54 ft (16.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl/Sbl
CrossesUnnamed Waterway
Location0.3 MI S of US-70
RouteInterstate 25
Coordinates32.34454, -106.76709
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length54 ft (16.4 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 traffic30,942 (2023)
Projected traffic42,081 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 Unnamed Waterway built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-25 Nbl/Sbl over Unnamed Waterway 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 April 2024.

How much traffic does I-25 Nbl/Sbl over Unnamed Waterway carry?

About 30,942 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Nbl/Sbl over Unnamed Waterway?

The structure is 54 ft (16.4 m) long with a longest span of 10 ft (3 m).

Who owns I-25 Nbl/Sbl over Unnamed Waterway?

It is owned by the State Highway Agency.