US Bridges

FL-4424 over Little Puerco

Fair

McKinley County, New Mexico · 3rd Between Aztec & Coal · Structure no. 000000000009288

Built
2001
24 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
269
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4424 over Little Puerco is a concrete culvert carrying FL-4424 over Little Puerco in McKinley County, New Mexico. It was built in 2001, so it is 24 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 269 vehicles a day, roughly 12% of them trucks, projected to reach 365 by 2043. The structure is 20 ft (6.2 m) long.

Location

Open in Google Maps
CarriesFL-4424
CrossesLittle Puerco
Location3rd Between Aztec & Coal
RouteCity Street 4424
CountyMcKinley County
StateNew Mexico
Coordinates35.52631, -108.74379
Functional classUrban Other Principal 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2023)
Projected traffic365 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FL-4424 over Little Puerco built?

It was built in 2001, making it 24 years old in 2025.

What condition is FL-4424 over Little Puerco 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 May 2024.

How much traffic does FL-4424 over Little Puerco carry?

About 269 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FL-4424 over Little Puerco?

The structure is 20 ft (6.2 m) long with a longest span of 8 ft (2.4 m).

Who owns FL-4424 over Little Puerco?

It is owned by the City or Municipal Highway Agency.