US Bridges

NM-118 over Rio Puerco

Fair

McKinley County, New Mexico · 0.1 MI E of NM-566 · Structure no. 000000000005394

Built
1946
79 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
88 ft
3 main spans
Daily traffic
1,562
2023 count
Owner
State
State Highway Agency

About this bridge

NM-118 over Rio Puerco is a concrete culvert carrying NM-118 over Rio Puerco in McKinley County, New Mexico. It was built in 1946, so it is 79 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 5 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 1,562 vehicles a day, roughly 11% of them trucks, projected to reach 2,124 by 2043. The structure is 88 ft (26.9 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNM-118
CrossesRio Puerco
Location0.1 MI E of NM-566
RouteState Highway 118
Coordinates35.53016, -108.60459
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length88 ft (26.9 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,562 (2023)
Projected traffic2,124 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-118 over Rio Puerco built?

It was built in 1946, making it 79 years old in 2025.

What condition is NM-118 over Rio 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 February 2024.

How much traffic does NM-118 over Rio Puerco carry?

About 1,562 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-118 over Rio Puerco?

The structure is 88 ft (26.9 m) long with a longest span of 27 ft (8.2 m).

Who owns NM-118 over Rio Puerco?

It is owned by the State Highway Agency.