US Bridges

I-25 Nbl/Sbl over County Road 32

Fair

Colfax County, New Mexico · 3.0 MI S of JCT NM-58 · Structure no. 000000000007419

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
5,818
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl over County Road 32 is a concrete culvert carrying I-25 Nbl/Sbl over County Road 32 in Colfax County, New Mexico. It was built in 1973, so it is 52 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 5,818 vehicles a day, roughly 45% of them trucks, projected to reach 7,912 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Nbl/Sbl
CrossesCounty Road 32
Location3.0 MI S of JCT NM-58
RouteInterstate 25
CountyColfax County
StateNew Mexico
Coordinates36.40539, -104.59517
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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,818 (2023)
Projected traffic7,912 by 2043
Trucks45%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$405,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl/Sbl over County Road 32 built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-25 Nbl/Sbl over County Road 32 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 June 2024.

How much traffic does I-25 Nbl/Sbl over County Road 32 carry?

About 5,818 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl/Sbl over County Road 32?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m).

Who owns I-25 Nbl/Sbl over County Road 32?

It is owned by the State Highway Agency.