US Bridges

NM-96 over Rito Del Oso

Good

Rio Arriba County, New Mexico · 22.88 MI W of JCT US-84 · Structure no. 000000000005634

Built
1954
71 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
971
2023 count
Owner
State
State Highway Agency

About this bridge

NM-96 over Rito Del Oso is a concrete culvert carrying NM-96 over Rito Del Oso in Rio Arriba County, New Mexico. It was built in 1954, so it is 71 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 971 vehicles a day, roughly 11% of them trucks, projected to reach 1,320 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNM-96
CrossesRito Del Oso
Location22.88 MI W of JCT US-84
RouteState Highway 96
Coordinates36.19607, -106.7077
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic971 (2023)
Projected traffic1,320 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

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 NM-96 over Rito Del Oso built?

It was built in 1954, making it 71 years old in 2025.

What condition is NM-96 over Rito Del Oso in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does NM-96 over Rito Del Oso carry?

About 971 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-96 over Rito Del Oso?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m).

Who owns NM-96 over Rito Del Oso?

It is owned by the State Highway Agency.