US Bridges

NM-118 over Unnamed Waterway

Fair

McKinley County, New Mexico · 0.15 MI W Ford Dr/Gallup · Structure no. 000000000003079

Built
1931
94 years old, rebuilt 1958
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
11,859
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 1931 and reconstructed in 1958, so it is 94 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 11,859 vehicles a day, roughly 22% of them trucks, projected to reach 16,128 by 2043. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNM-118
CrossesUnnamed Waterway
Location0.15 MI W Ford Dr/Gallup
RouteState Highway 118
Coordinates35.53013, -108.72971
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,859 (2023)
Projected traffic16,128 by 2043
Trucks22%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-118 over Unnamed Waterway built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1958.

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 December 2023.

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

About 11,859 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is NM-118 over Unnamed Waterway?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns NM-118 over Unnamed Waterway?

It is owned by the State Highway Agency.