US Bridges

IRR BIA RTE 32 over Rio Nutria

Good

McKinley County, New Mexico · 0.2 KM SE of JCT 5 & 32 · Structure no. 00000000000M420

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
115 ft
2 main spans
Daily traffic
25
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 32 over Rio Nutria is a prestressed concrete tee beam carrying IRR BIA RTE 32 over Rio Nutria in McKinley County, New Mexico. It was built in 1997, so it is 28 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 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 29 by 2041. The structure is 115 ft (35.1 m) long and 35 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIRR BIA RTE 32
CrossesRio Nutria
Location0.2 KM SE of JCT 5 & 32
RouteFederal Lands Road 32
Coordinates35.27013, -108.57236
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.7 US tons
Inventory rating30.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span55 ft (16.8 m)
Deck width35 ft (10.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic29 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 32 over Rio Nutria built?

It was built in 1997, making it 28 years old in 2025.

What condition is IRR BIA RTE 32 over Rio Nutria 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 March 2023.

How much traffic does IRR BIA RTE 32 over Rio Nutria carry?

About 25 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 32 over Rio Nutria?

The structure is 115 ft (35.1 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.

Who owns IRR BIA RTE 32 over Rio Nutria?

It is owned by the Bureau of Indian Affairs.