Structure 2279A234 01710 · Douglas County, OR

Or 99 (hwy 234) over Deer Creek

Carries Or 99 (hwy 234) over Deer Creek, 00.1 N Jct HWY 073.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT250 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

250 ft end to end, longest span 70 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.

Built1937rebuilt 1967
Length250.0 ft76.2 m
Daily traffic14,285counted 2022
Last inspectedJuly 2024every 24 months

Location

StateOregon
CountyDouglas
Location00.1 N Jct HWY 073
CarriesOr 99 (hwy 234)
CrossesDeer Creek
Coordinates43.21442, -123.34275

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length250.0 ft (76.2 m)
Max Span69.9 ft (21.3 m)
Deck Width83.7 ft (25.5 m)
Deck Area1943.1 sq m
Main Spans7
Year Built1937 (reconstructed 1967)

Traffic

Avg Daily Traffic14,285 (2022)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number02279A234 01710

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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