US Bridges

IRR/NM-22 over Rio Grande

Fair

Sandoval County, New Mexico · 11.4 MI N of I-25 · Structure no. 000000000007515

Built
1973
52 years old, rebuilt 1997
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
5 main spans
Daily traffic
1,603
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/NM-22 over Rio Grande is a prestressed concrete stringer/multi-beam or girder carrying IRR/NM-22 over Rio Grande in Sandoval County, New Mexico. It was built in 1973 and reconstructed in 1997, 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 1,603 vehicles a day, roughly 11% of them trucks, projected to reach 2,180 by 2043. The structure is 240 ft (73.2 m) long and 51 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesIRR/NM-22
CrossesRio Grande
Location11.4 MI N of I-25
RouteState Highway 22
CountySandoval County
StateNew Mexico
Coordinates35.61774, -106.32522
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span46 ft (14 m)
Deck width51 ft (15.5 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,603 (2023)
Projected traffic2,180 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$844,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/NM-22 over Rio Grande built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1997.

What condition is IRR/NM-22 over Rio Grande 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 February 2024.

How much traffic does IRR/NM-22 over Rio Grande carry?

About 1,603 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is IRR/NM-22 over Rio Grande?

The structure is 240 ft (73.2 m) long with a longest span of 46 ft (14 m) and a deck 51 ft wide.

Who owns IRR/NM-22 over Rio Grande?

It is owned by the State Highway Agency.