Structure 59C013142501253 · Umatilla County, OR

Gurdane Road over Spring Hollow Creek

Carries Gurdane Road over Spring Hollow Creek, 12.5 Mi S Of HWY 74.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 5/9 · sets the rating

25 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 multi-beam bridge.

Built1966rebuilt 1987
Length24.9 ft7.6 m
Daily traffic40counted 2020
Last inspectedJuly 2023every 24 months

Location

StateOregon
CountyUmatilla
Location12.5 Mi S Of HWY 74
CarriesGurdane Road
CrossesSpring Hollow Creek
Coordinates45.30520, -119.11180

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length24.9 ft (7.6 m)
Max Span23.0 ft (7 m)
Deck Width21.7 ft (6.6 m)
Deck Area50.2 sq m
Main Spans1
Year Built1966 (reconstructed 1987)

Traffic

Avg Daily Traffic40 (2020)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number59C013142501253

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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