Structure 17C59 333500050 · Deschutes County, OR

Empire AVE over B.n.r.r.

Carries Empire AVE over B.n.r.r., N. Bend .25 E Of HWY 4.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT130 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

130 ft end to end, longest span 50 ft. 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 slab bridge.

Built1986rebuilt 1997
Length129.9 ft39.6 m
Daily traffic11,016counted 2020
Last inspectedFebruary 2023every 24 months

Location

StateOregon
CountyDeschutes
LocationN. Bend .25 E Of HWY 4
CarriesEmpire AVE
CrossesB.n.r.r.
Coordinates44.09081, -121.29986

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length129.9 ft (39.6 m)
Max Span49.9 ft (15.2 m)
Deck Width91.9 ft (28 m)
Deck Area1108.8 sq m
Main Spans3
Year Built1986 (reconstructed 1997)

Traffic

Avg Daily Traffic11,016 (2020)
Truck Traffic10%
Lanes On Bridge5

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number17C59 333500050

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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