Structure 3080 · McKinley County, NM

Nm-118 over Unnamed Waterway

Carries Nm-118 over Unnamed Waterway, 0.05 Mi E Ford Dr/ Gallup.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 31 ft across with 3 openings. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built1931rebuilt 1977
Length31.2 ft9.5 m
Daily traffic19,999counted 2023
Last inspectedNovember 2023every 24 months

Location

StateNew Mexico
CountyMcKinley
Location0.05 Mi E Ford Dr/ Gallup
CarriesNm-118
CrossesUnnamed Waterway
Coordinates35.52994, -108.72661

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length31.2 ft (9.5 m)
Max Span9.8 ft (3 m)
Deck Area193.8 sq m
Main Spans3
Year Built1931 (reconstructed 1977)

Traffic

Avg Daily Traffic19,999 (2023)
Truck Traffic13%
Lanes On Bridge6

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000003080

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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