Structure 5C0239 · Trinity County, CA

Roundy Road over Little Browns Creek

Carries Roundy Road over Little Browns Creek, 0.07 Mi West Of SR 3.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets 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 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

32 ft end to end. 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 slab bridge.

Built200719 years old
Length32.5 ft9.9 m
Daily traffic50counted 2010
Last inspectedAugust 2021every 48 months

Location

StateCalifornia
CountyTrinity
Location0.07 Mi West Of SR 3
CarriesRoundy Road
CrossesLittle Browns Creek
Coordinates40.77788, -122.89403

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length32.5 ft (9.9 m)
Max Span29.9 ft (9.1 m)
Deck Width21.7 ft (6.6 m)
Deck Area65.3 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic50 (2010)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number05C0239

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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