Total Bridges
8,310
Public highway bridges in Oregon
State profile · Below median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Oregon, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
8,310
Public highway bridges in Oregon
Good Condition
31.5%
2,621 bridges rated 7-9
-18.5pp vs 50% benchmark
Poor Condition
4.5%
371 bridges whose lowest applicable component is rated 0-4
-2.5pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Oregon on the same metric.
MD
CO
OR
OH
NJ
Six lowest-condition bridges in Oregon, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: MILL CREEK
009 MI EAST CR 318, Linn, OR
Over: COX CREEK
0036 MI N OF HWY 20, Linn, OR
Over: WILLOW CREEK
WILLOW CK AT KIRK ST., Morrow, OR
Over: FREEMAN CR
009 MI N CR 648, Linn, OR
Over: ASH SWALE
020 MI S OF AMITY, Yamhill, OR
Over: WILLIAMSON RIVER
(ORIG.# 9730000 - 0.7), Klamath, OR
Over: ALBANY SANTIAM CANAL
015 MI SOUTH HWY 20, Linn, OR
Over: CEDAR CREEK (CLIP CRK?)
S-34, T-4S, R-10E, WM, Wasco, OR
Over: LAKE CREEK
0101MI S ST HWY 34, Linn, OR
Over: BOULDER CREEK (CRANE)
S-35, T-4S, R-10E, WM, Wasco, OR
Over: BEAR CREEK
9.7 MI W OF UMPQUA STORE, Douglas, OR
Over: DRAIN DITCH
004 MI E OF BLISS ROAD, Klamath, OR
Over: WOODCOCK CREEK
00.8 MI S OF HWY 211, Clackamas, OR
Over: RITNER CREEK
028 W OF STATE HWY 223, Polk, OR
Over: DRAIN DITCH
008 MI W OF GERBER RD, Klamath, OR
Over: BEAR CREEK - CRAB
Logan Valley, Grant, OR
Showing 8,301-8,310 of 8,310 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.