Structure 7004 · Mora County, NM

I-25 Nbl over Sapello River

Carries I-25 Nbl over Sapello River, 1.8 M S Watrous/exit-366.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT195 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

195 ft end to end, longest span 64 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built196957 years old
Length194.9 ft59.4 m
Daily traffic5,419counted 2023
Last inspectedAugust 2023every 24 months

Location

StateNew Mexico
CountyMora
Location1.8 M S Watrous/exit-366
CarriesI-25 Nbl
CrossesSapello River
Coordinates35.78312, -104.98979

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length194.9 ft (59.4 m)
Max Span64.0 ft (19.5 m)
Deck Width41.0 ft (12.5 m)
Deck Area742.5 sq m
Main Spans3
Year Built1969

Traffic

Avg Daily Traffic5,419 (2023)
Truck Traffic45%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000007004

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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