Structure 1C0039 · Del Norte County, CA

Walker Road over Clarks Creek

Carries Walker Road over Clarks Creek, 0.2 Mi North Of RTE 199.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

70 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 multi-beam bridge.

Built200224 years old
Length69.9 ft21.3 m
Daily traffic25counted 2003
Last inspectedJune 2023every 48 months

Location

StateCalifornia
CountyDel Norte
Location0.2 Mi North Of RTE 199
CarriesWalker Road
CrossesClarks Creek
Coordinates41.81272, -124.10927

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length69.9 ft (21.3 m)
Max Span67.6 ft (20.6 m)
Deck Width20.0 ft (6.1 m)
Deck Area129.9 sq m
Main Spans1
Year Built2002

Traffic

Avg Daily Traffic25 (2003)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number01C0039

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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