US Bridges

I-25 Nbl over US-380

Fair

Socorro County, New Mexico · Junction I-25/US-380 · Structure no. 000000000006454

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
3 main spans
Daily traffic
6,530
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over US-380 is a steel continuous stringer/multi-beam or girder carrying I-25 Nbl over US-380 in Socorro County, New Mexico. It was built in 1964, so it is 61 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 6,530 vehicles a day, roughly 45% of them trucks, projected to reach 8,880 by 2043. The structure is 134 ft (40.8 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-25 Nbl
CrossesUS-380
LocationJunction I-25/US-380
RouteInterstate 25
CountySocorro County
StateNew Mexico
Coordinates33.91778, -106.87937
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length134 ft (40.8 m)
Longest span51 ft (15.5 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,530 (2023)
Projected traffic8,880 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 I-25 Nbl over US-380 built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-25 Nbl over US-380 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 July 2024.

How much traffic does I-25 Nbl over US-380 carry?

About 6,530 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over US-380?

The structure is 134 ft (40.8 m) long with a longest span of 51 ft (15.5 m) and a deck 41 ft wide.

Who owns I-25 Nbl over US-380?

It is owned by the State Highway Agency.