Structure 23C241 000 0040 · Grant County, OR

County RD over Clear Creek

Carries County RD over Clear Creek, 2.2 Miles West Of Granite.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT76 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

76 ft end to end, longest span 50 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 tee-beam bridge.

Built196858 years old
Length76.1 ft23.2 m
Daily traffic545counted 2020
Last inspectedAugust 2023every 24 months

Location

StateOregon
CountyGrant
Location2.2 Miles West Of Granite
CarriesCounty RD
CrossesClear Creek
Coordinates44.81550, -118.45440

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length76.1 ft (23.2 m)
Max Span49.9 ft (15.2 m)
Deck Width32.2 ft (9.8 m)
Deck Area227.4 sq m
Main Spans3
Year Built1968

Traffic

Avg Daily Traffic545 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number23C241 000 0040

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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