US Bridges

I-25 South Bound over NM-408

Good

Socorro County, New Mexico · JCT I-25/NM-408 Lemitar · Structure no. 000000000009975

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
5,422
2018 count
Owner
State
State Highway Agency

About this bridge

I-25 South Bound over NM-408 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-25 South Bound over NM-408 in Socorro County, New Mexico. It was built in 2019, so it is 6 years old, younger 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 5,422 vehicles a day, projected to reach 8,057 by 2038. The structure is 164 ft (50 m) long and 41 ft wide.

CarriesI-25 South Bound
CrossesNM-408
LocationJCT I-25/NM-408 Lemitar
RouteInterstate 25
Coordinates34.15775, -106.91811
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length164 ft (50 m)
Longest span75 ft (23 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,422 (2018)
Projected traffic8,057 by 2038
Trucks—
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 South Bound over NM-408 built?

It was built in 2019, making it 6 years old in 2025.

What condition is I-25 South Bound over NM-408 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 October 2023.

How much traffic does I-25 South Bound over NM-408 carry?

About 5,422 vehicles per day (2018 count).

How long is I-25 South Bound over NM-408?

The structure is 164 ft (50 m) long with a longest span of 75 ft (23 m) and a deck 41 ft wide.

Who owns I-25 South Bound over NM-408?

It is owned by the State Highway Agency.