US Bridges

I-25 Nbl over Local Road

Fair

Sierra County, New Mexico · 2.6 MI N of JCT NM-1/X-91 · Structure no. 000000000007751

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
5,806
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Local Road is a concrete continuous slab carrying I-25 Nbl over Local Road in Sierra County, New Mexico. It was built in 1979, so it is 46 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 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 5,806 vehicles a day, roughly 45% of them trucks, projected to reach 7,896 by 2043. The structure is 102 ft (31.1 m) long and 45 ft wide.

CarriesI-25 Nbl
CrossesLocal Road
Location2.6 MI N of JCT NM-1/X-91
RouteInterstate 25
Coordinates33.36378, -107.27931
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.8 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span39 ft (11.9 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,806 (2023)
Projected traffic7,896 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 Local Road built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-25 Nbl over Local Road 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 April 2024.

How much traffic does I-25 Nbl over Local Road carry?

About 5,806 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over Local Road?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 45 ft wide.

Who owns I-25 Nbl over Local Road?

It is owned by the State Highway Agency.