Structure 8711B0000000 · Kittitas County, WA

I-82 over Burbank Creek

Carries I-82 over Burbank Creek, 15.9 E Jct SR 821.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT408 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 7/9

408 ft end to end, longest span 164 ft: about 6 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 box-beam bridge.

Built197056 years old
Length408.1 ft124.4 m
Daily traffic10,035counted 2023
Last inspectedMarch 2024every 24 months

Location

StateWashington
CountyKittitas
Location15.9 E Jct SR 821
CarriesI-82
CrossesBurbank Creek
Coordinates46.74708, -120.38883

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length408.1 ft (124.4 m)
Max Span164.0 ft (50 m)
Deck Width41.3 ft (12.6 m)
Deck Area1567.4 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic10,035 (2023)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number0008711B0000000

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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