Structure 5114A0000000 · Adams County, WA

SR 26 over Cmstpp Rr

Carries SR 26 over Cmstpp Rr, 9.3 E Grant Co.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT229 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

229 ft end to end, longest span 73 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 tee-beam bridge.

Built195670 years old
Length229.0 ft69.8 m
Daily traffic7,360counted 2023
Last inspectedFebruary 2024every 24 months

Location

StateWashington
CountyAdams
Location9.3 E Grant Co
CarriesSR 26
CrossesCmstpp Rr
Coordinates46.81147, -119.17961

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length229.0 ft (69.8 m)
Max Span73.2 ft (22.3 m)
Deck Width35.1 ft (10.7 m)
Deck Area746.9 sq m
Main Spans4
Year Built1956

Traffic

Avg Daily Traffic7,360 (2023)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0005114A0000000

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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