Structure B3305 · Elko County, NV

Frel23 over N Fork Humboldt Rvr

Carries Frel23 over N Fork Humboldt Rvr, Btw Ryndon & Halleck.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT77 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 77 ft across with 6 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.

Built20242 years old
Length76.8 ft23.4 m
Daily traffic200counted 2024
Last inspectedAugust 2024every 24 months

Location

StateNevada
CountyElko
LocationBtw Ryndon & Halleck
CarriesFrel23
CrossesN Fork Humboldt Rvr
Coordinates40.94878, -115.53394

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length76.8 ft (23.4 m)
Max Span12.1 ft (3.7 m)
Deck Width55.1 ft (16.8 m)
Deck Area393.1 sq m
Main Spans6
Year Built2024

Traffic

Avg Daily Traffic200 (2024)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure NumberB3305

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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