US Bridges

I-25 Nbl/Sbl over Canada Honda

Fair

Sierra County, New Mexico · 0.9 MI S Williamsburg Ext · Structure no. 000000000006992

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
8,962
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl over Canada Honda is a concrete culvert carrying I-25 Nbl/Sbl over Canada Honda in Sierra County, New Mexico. It was built in 1968, so it is 57 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 8,962 vehicles a day, roughly 45% of them trucks, projected to reach 12,188 by 2043. The structure is 50 ft (15.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Nbl/Sbl
CrossesCanada Honda
Location0.9 MI S Williamsburg Ext
RouteInterstate 25
CountySierra County
StateNew Mexico
Coordinates33.10205, -107.30278
Functional classUrban 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 inspectionMarch 2023
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 rating73.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length50 ft (15.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,962 (2023)
Projected traffic12,188 by 2043
Trucks45%
Lanes on structure4
Traffic directionTwo-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/Sbl over Canada Honda built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-25 Nbl/Sbl over Canada Honda 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 March 2023.

How much traffic does I-25 Nbl/Sbl over Canada Honda carry?

About 8,962 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Nbl/Sbl over Canada Honda?

The structure is 50 ft (15.3 m) long with a longest span of 12 ft (3.7 m).

Who owns I-25 Nbl/Sbl over Canada Honda?

It is owned by the State Highway Agency.