Structure 16724 000 00000 · Coos County, OR

County RD 43 over Joe Ney Slough

Carries County RD 43 over Joe Ney Slough, 0000 At Jct #184 & #43.

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
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT656 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

656 ft end to end, longest span 130 ft: about 1.8 football fields. 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 multi-beam bridge.

Built198937 years old
Length655.8 ft199.9 m
Daily traffic1,011counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateOregon
CountyCoos
Location0000 At Jct #184 & #43
CarriesCounty RD 43
CrossesJoe Ney Slough
Coordinates43.33985, -124.30989

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length655.8 ft (199.9 m)
Max Span129.9 ft (39.6 m)
Deck Width39.0 ft (11.9 m)
Deck Area2378.8 sq m
Main Spans5
Year Built1989

Traffic

Avg Daily Traffic1,011 (2020)
Truck Traffic25%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number16724 000 00000

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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