US Bridges

NM-118 over Unnamed Waterway

Fair

McKinley County, New Mexico · 6.3 MI E of US-491 · Structure no. 000000000005393

Built
1946
79 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete
Length
33 ft
5 main spans
Daily traffic
9,184
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 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 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 9,184 vehicles a day, roughly 12% of them trucks, projected to reach 12,490 by 2043. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 60.3 mi (97 km).

CarriesNM-118
CrossesUnnamed Waterway
Location6.3 MI E of US-491
RouteState Highway 118
Coordinates35.53191, -108.63378
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 inspectionNovember 2021
Inspection intervalevery 48 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 rating57.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,184 (2023)
Projected traffic12,490 by 2043
Trucks12%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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$121,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-118 over Unnamed Waterway built?

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

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 November 2021.

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

About 9,184 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-118 over Unnamed Waterway?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.8 m).

Who owns NM-118 over Unnamed Waterway?

It is owned by the State Highway Agency.