US Bridges

I-25 Nbl over Madera Canyon

Fair

Socorro County, New Mexico · 3.9 MI N of JCT US-380 · Structure no. 000000000006606

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
152 ft
10 main spans
Daily traffic
8,854
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Madera Canyon is a concrete culvert carrying I-25 Nbl over Madera Canyon in Socorro County, New Mexico. It was built in 1965, so it is 60 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 8,854 vehicles a day, roughly 45% of them trucks, projected to reach 12,041 by 2043. The structure is 152 ft (46.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl
CrossesMadera Canyon
Location3.9 MI N of JCT US-380
RouteInterstate 25
Coordinates33.97345, -106.88985
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans10
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,854 (2023)
Projected traffic12,041 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$300,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over Madera Canyon built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-25 Nbl over Madera Canyon 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 October 2024.

How much traffic does I-25 Nbl over Madera Canyon carry?

About 8,854 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl over Madera Canyon?

The structure is 152 ft (46.3 m) long with a longest span of 10 ft (3 m).

Who owns I-25 Nbl over Madera Canyon?

It is owned by the State Highway Agency.