Structure 5692 · Sandoval County, NM

Nm-22 over Unnamed Waterway

Carries Nm-22 over Unnamed Waterway, 7.2 Mi NW Of Jct I-25.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 46 ft across with 4 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.

Built1954rebuilt 1978
Length45.9 ft14 m
Daily traffic1,937counted 2023
Last inspectedNovember 2021every 48 months

Location

StateNew Mexico
CountySandoval
Location7.2 Mi NW Of Jct I-25
CarriesNm-22
CrossesUnnamed Waterway
Coordinates35.55971, -106.34122

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length45.9 ft (14 m)
Max Span9.8 ft (3 m)
Deck Area183.4 sq m
Main Spans4
Year Built1954 (reconstructed 1978)

Traffic

Avg Daily Traffic1,937 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000005692

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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