Structure 23905 · Camas County, ID

Baseline Road over Willow Creek

Carries Baseline Road over Willow Creek, 2.1 N. 11.5 E. Fairfield.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

22 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 rigid-frame bridge.

Built198937 years old
Length21.7 ft6.6 m
Daily traffic190counted 2023
Last inspectedJune 2024every 48 months

Location

StateIdaho
CountyCamas
Location2.1 N. 11.5 E. Fairfield
CarriesBaseline Road
CrossesWillow Creek
Coordinates43.37072, -114.56567

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length21.7 ft (6.6 m)
Max Span20.0 ft (6.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area48.2 sq m
Main Spans1
Year Built1989

Traffic

Avg Daily Traffic190 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000023905

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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