US Bridges

NM-118 over Unnamed Waterway

Fair

McKinley County, New Mexico · .4 MI E. of I-40 Exit 16 · Structure no. 000000000005388

Built
1948
77 years old, rebuilt 1969
Condition
Fair
inspected July 2021
Type
Culvert
Concrete
Length
34 ft
4 main spans
Daily traffic
9,162
2023 count
Owner
State
State Highway Agency

About this bridge

NM-118 over Unnamed Waterway is a concrete culvert carrying NM-118 over Unnamed Waterway in McKinley County, New Mexico. It was built in 1948 and reconstructed in 1969, so it is 77 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 9,162 vehicles a day, roughly 12% of them trucks, projected to reach 12,460 by 2043. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-118
CrossesUnnamed Waterway
Location.4 MI E. of I-40 Exit 16
RouteState Highway 118
Coordinates35.50687, -108.82357
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length34 ft (10.3 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 traffic9,162 (2023)
Projected traffic12,460 by 2043
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Unnamed Waterway built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1969.

What condition is NM-118 over Unnamed Waterway 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 July 2021.

How much traffic does NM-118 over Unnamed Waterway carry?

About 9,162 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-118 over Unnamed Waterway?

The structure is 34 ft (10.3 m) long with a longest span of 8 ft (2.4 m).

Who owns NM-118 over Unnamed Waterway?

It is owned by the State Highway Agency.