US Bridges

I-25 Nbl over FR2151/FRONTAGE Road

Good

Mora County, New Mexico · 13.3 MI S of JCT NM-120 · Structure no. 000000000006785

Built
1967
58 years old, rebuilt 2000
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
5,320
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over FR2151/FRONTAGE Road is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over FR2151/FRONTAGE Road in Mora County, New Mexico. It was built in 1967 and reconstructed in 2000, so it is 58 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 5,320 vehicles a day, roughly 45% of them trucks, projected to reach 7,235 by 2043. The structure is 151 ft (46 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-25 Nbl
CrossesFR2151/FRONTAGE Road
Location13.3 MI S of JCT NM-120
RouteInterstate 25
CountyMora County
StateNew Mexico
Coordinates35.87057, -104.86655
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 inspectionJuly 2024
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 alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span61 ft (18.6 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,320 (2023)
Projected traffic7,235 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 FR2151/FRONTAGE Road built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2000.

What condition is I-25 Nbl over FR2151/FRONTAGE Road 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 July 2024.

How much traffic does I-25 Nbl over FR2151/FRONTAGE Road carry?

About 5,320 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over FR2151/FRONTAGE Road?

The structure is 151 ft (46 m) long with a longest span of 61 ft (18.6 m) and a deck 41 ft wide.

Who owns I-25 Nbl over FR2151/FRONTAGE Road?

It is owned by the State Highway Agency.