US Bridges

IRR/US-491 over Figuerado Wash

Good

McKinley County, New Mexico · 0.75 MI S of Nakaibito · Structure no. 000000000009413

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
150 ft
2 main spans
Daily traffic
8,227
2023 count
Owner
State
State Highway Agency

About this bridge

IRR/US-491 over Figuerado Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR/US-491 over Figuerado Wash in McKinley County, New Mexico. It was built in 2017, so it is 8 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 8,227 vehicles a day, roughly 17% of them trucks, projected to reach 11,188 by 2043. The structure is 150 ft (45.7 m) long and 42 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIRR/US-491
CrossesFiguerado Wash
Location0.75 MI S of Nakaibito
RouteU.S. Route 491
Coordinates35.76744, -108.77317
Functional classRural Principal Arterial - Other

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.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span75 ft (22.9 m)
Deck width42 ft (12.8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,227 (2023)
Projected traffic11,188 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR/US-491 over Figuerado Wash built?

It was built in 2017, making it 8 years old in 2025.

What condition is IRR/US-491 over Figuerado Wash 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 December 2023.

How much traffic does IRR/US-491 over Figuerado Wash carry?

About 8,227 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is IRR/US-491 over Figuerado Wash?

The structure is 150 ft (45.7 m) long with a longest span of 75 ft (22.9 m) and a deck 42 ft wide.

Who owns IRR/US-491 over Figuerado Wash?

It is owned by the State Highway Agency.