Structure 9040 · Valencia County, NM

Nm-309 over Bnsf Railroad

Carries Nm-309 over Bnsf Railroad, 0.5 Mi E Of Jct Loop-13.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT394 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

394 ft end to end, longest span 150 ft: about 5 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.

Built200422 years old
Length394.0 ft120.1 m
Daily traffic17,347counted 2023
Last inspectedApril 2023every 24 months

Location

StateNew Mexico
CountyValencia
Location0.5 Mi E Of Jct Loop-13
CarriesNm-309
CrossesBnsf Railroad
Coordinates34.66132, -106.76726

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length394.0 ft (120.1 m)
Max Span149.9 ft (45.7 m)
Deck Width86.0 ft (26.2 m)
Deck Area3146.6 sq m
Main Spans3
Year Built2004

Traffic

Avg Daily Traffic17,347 (2023)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000009040

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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