Structure 5420 · Otero County, NM

Us-54 over Unnamed Waterway

Carries Us-54 over Unnamed Waterway, 15.3 Mi N Of Us-70/tularo.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT69 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 69 ft across with 10 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.

Built1948rebuilt 2014
Length68.9 ft21 m
Daily traffic2,797counted 2023
Last inspectedJuly 2022every 48 months

Location

StateNew Mexico
CountyOtero
Location15.3 Mi N Of Us-70/tularo
CarriesUs-54
CrossesUnnamed Waterway
Coordinates33.29723, -106.07183

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length68.9 ft (21 m)
Max Span5.9 ft (1.8 m)
Deck Area224.7 sq m
Main Spans10
Year Built1948 (reconstructed 2014)

Traffic

Avg Daily Traffic2,797 (2023)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000005420

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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