US Bridges

I-25 Nbl over Mora River

Fair

Mora County, New Mexico · 1.2 MI N of S Watrous Ext · Structure no. 000000000007006

Built
1969
56 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
515 ft
8 main spans
Daily traffic
5,419
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Mora River is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over Mora River in Mora County, New Mexico. It was built in 1969, so it is 56 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 6 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 5,419 vehicles a day, roughly 45% of them trucks, projected to reach 7,369 by 2043. The structure is 515 ft (157.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl
CrossesMora River
Location1.2 MI N of S Watrous Ext
RouteInterstate 25
Coordinates35.79859, -104.98358
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating59 US tons
Inventory rating33.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length515 ft (157.1 m)
Longest span63 ft (19.2 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,419 (2023)
Projected traffic7,369 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-25 Nbl over Mora River built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-25 Nbl over Mora River 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 January 2025.

How much traffic does I-25 Nbl over Mora River carry?

About 5,419 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over Mora River?

The structure is 515 ft (157.1 m) long with a longest span of 63 ft (19.2 m) and a deck 41 ft wide.

Who owns I-25 Nbl over Mora River?

It is owned by the State Highway Agency.