Structure 5C0242 · Trinity County, CA

Lance Gulch Road over East Weaver Creek

Carries Lance Gulch Road over East Weaver Creek, NE Weaverville By SR 3.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT200 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

200 ft end to end, longest span 80 ft: about 3 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 slab bridge.

Built201610 years old
Length200.1 ft61 m
Daily traffic200counted 2016
Last inspectedSeptember 2024every 48 months

Location

StateCalifornia
CountyTrinity
LocationNE Weaverville By SR 3
CarriesLance Gulch Road
CrossesEast Weaver Creek
Coordinates40.73857, -122.92583

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignSlab
Total Length200.1 ft (61 m)
Max Span80.1 ft (24.4 m)
Deck Width43.3 ft (13.2 m)
Deck Area805.2 sq m
Main Spans3
Year Built2016

Traffic

Avg Daily Traffic200 (2016)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number05C0242

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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