US Bridges

I-25 Sbl over Madera Canyon

Poor

Socorro County, New Mexico · 3.9 MI N of JCT US-380 · Structure no. 000000000003193

Built
1939
86 years old, rebuilt 1965
Condition
Poor
inspected May 2024
Type
Culvert
Concrete
Length
151 ft
10 main spans
Daily traffic
8,854
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Madera Canyon is a concrete culvert carrying I-25 Sbl over Madera Canyon in Socorro County, New Mexico. It was built in 1939 and reconstructed in 1965, so it is 86 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,854 vehicles a day, roughly 45% of them trucks, projected to reach 12,041 by 2043. The structure is 151 ft (46 m) long.

Location

Open in Google Maps
CarriesI-25 Sbl
CrossesMadera Canyon
Location3.9 MI N of JCT US-380
RouteInterstate 25
CountySocorro County
StateNew Mexico
Coordinates33.97373, -106.89029
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans10
Design loadHS 20
Structure length151 ft (46 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

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 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Sbl over Madera Canyon built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1965.

What condition is I-25 Sbl over Madera Canyon in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

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

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

How long is I-25 Sbl over Madera Canyon?

The structure is 151 ft (46 m) long with a longest span of 10 ft (3 m).

Who owns I-25 Sbl over Madera Canyon?

It is owned by the State Highway Agency.