Structure 61703000001481 · Kittitas County, WA

Road over Log Creek

Carries Road over Log Creek, No Data Entered.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 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 box-beam bridge.

Built197848 years old
Length69.6 ft21.2 m
Daily traffic50counted 1995
Last inspectedAugust 2024every 48 months

Location

StateWashington
CountyKittitas
LocationNo Data Entered
CarriesRoad
CrossesLog Creek
Coordinates47.20806, -121.27694

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length69.6 ft (21.2 m)
Max Span66.3 ft (20.2 m)
Deck Width21.0 ft (6.4 m)
Deck Area135.7 sq m
Main Spans1
Year Built1978

Traffic

Avg Daily Traffic50 (1995)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 48 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number061703000001481

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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