US Bridges

I-25 SB over Unnamed Waterway

Good

Socorro County, New Mexico · 0.7 M S JCT I-25/NM-408 · Structure no. 000000000009767

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
135 ft
3 main spans
Daily traffic
11,555
2018 count
Owner
State
State Highway Agency

About this bridge

I-25 SB over Unnamed Waterway is a prestressed concrete continuous box beam or girders - multiple carrying I-25 SB over Unnamed Waterway 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 11,555 vehicles a day, projected to reach 17,170 by 2038. The structure is 135 ft (41.1 m) long and 41 ft wide.

CarriesI-25 SB
CrossesUnnamed Waterway
Location0.7 M S JCT I-25/NM-408
RouteInterstate 25
Coordinates34.14772, -106.91469
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.2 US tons
Inventory rating60.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span45 ft (13.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic11,555 (2018)
Projected traffic17,170 by 2038
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 SB over Unnamed Waterway built?

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

What condition is I-25 SB 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 October 2023.

How much traffic does I-25 SB over Unnamed Waterway carry?

About 11,555 vehicles per day (2018 count).

How long is I-25 SB over Unnamed Waterway?

The structure is 135 ft (41.1 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.

Who owns I-25 SB over Unnamed Waterway?

It is owned by the State Highway Agency.