Structure N241 · San Juan County, NM

IRR BIA RTE N5001 over Toadlena Wash

Carries IRR BIA RTE N5001 over Toadlena Wash, 0.1mi North Toadlena T.p..

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

45 ft end to end, longest span 37 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built198838 years old
Length44.9 ft13.7 m
Daily traffic127counted 2021
Last inspectedJune 2024every 24 months

Location

StateNew Mexico
CountySan Juan
Location0.1mi North Toadlena T.p.
CarriesIRR BIA RTE N5001
CrossesToadlena Wash
Coordinates36.23431, -108.89308

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length44.9 ft (13.7 m)
Max Span36.7 ft (11.2 m)
Deck Width16.7 ft (5.1 m)
Deck Area69.9 sq m
Main Spans2
Year Built1988

Traffic

Avg Daily Traffic127 (2021)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number00000000000N241

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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