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Upper Calapooia Dr over Washout Creek

Linn County, Oregon · rated Fair in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

View this bridge on a map → (44.26492, -122.55611)

Component ratings

ComponentRating (2024)Rating (2025)FHWA scale meaning
Deck66Satisfactory condition
Superstructure77Good condition
Substructure66Satisfactory condition

Bridge details

StructurePrestressed concrete multiple box beam
Lengthabout 84 ft
LocationMp 14.6
NBI structure number23840 000 00590
Condition classFair
Traffic status (item 41)Open, no restriction
Last inspection (item 90)August 2023
Inspection interval (item 91)24 months
Scour (item 113)3: scour critical: foundations unstable for the assessed or calculated scour

Source: FHWA National Bridge Inventory, 2025 data as reported by the Oregon department of transportation.

Busiest bridges in Linn County

BridgeBuiltVehicles/dayCondition
Dever-Conner Road over I-5 (Hwy 1)195866,723Fair
I-5 (hwy 1) over Truax Creek194766,382Fair
I-5 (hwy 1) NB over Knox Butte Road195834,103Fair
I-5 (hwy 1) NB over Or 99E (hwy 058) NB195834,103Fair
I-5 (hwy 1) SB over Knox Butte Road195834,103Fair
I-5 (hwy 1) SB over Or 99E (hwy 58) NB195834,103Fair

All bridges nearby: Linn County, OR bridge conditions · every bridge in Linn County · Oregon bridges.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.