US Bridges

IRR BIA RTE 2 over Navajo River

Fair

Rio Arriba County, New Mexico · 2.4 KM North of Dulce Nm · Structure no. 00000000000M316

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
100
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 2 over Navajo River is a concrete continuous stringer/multi-beam or girder carrying IRR BIA RTE 2 over Navajo River in Rio Arriba County, New Mexico. It was built in 1984, so it is 41 years old, younger 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 117 by 2043. The structure is 109 ft (33.2 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIRR BIA RTE 2
CrossesNavajo River
Location2.4 KM North of Dulce Nm
RouteFederal Lands Road 2
Coordinates36.96111, -106.97833
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating48.1 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span70 ft (21.3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic117 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA RTE 2 over Navajo River built?

It was built in 1984, making it 41 years old in 2025.

What condition is IRR BIA RTE 2 over Navajo River 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 IRR BIA RTE 2 over Navajo River carry?

About 100 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 2 over Navajo River?

The structure is 109 ft (33.2 m) long with a longest span of 70 ft (21.3 m) and a deck 34 ft wide.

Who owns IRR BIA RTE 2 over Navajo River?

It is owned by the Bureau of Indian Affairs.