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: E FK HOOD RIVER
1.5 MI S OF DEE, Hood River, OR
Over: IRRIGATION CANAL
0.2 MI E OF HWY 26, Jefferson, OR
Over: LOST RIVER
001 MI N OF HILL RD, Klamath, OR
Over: WEST FORK HORSE CREEK
1.0 MI SE OF MCKENZIE BR, Lane, OR
Over: Siletz River
028 MI N SILETZ, Lincoln, OR
Over: Beaver Creek
064 MI N WALDPORT, Lincoln, OR
Over: OAK CREEK
0011 MILES SOUTH HWY 34, Linn, OR
Over: MCKENZIE RIVER
11.0MI S OF JCT HWY20&126, Linn, OR
Over: COW CREEK
11.0 MI. SW IDAHO ST LINE, Malheur, OR
Over: VALE MAIN CANAL
018MI W INTER HWY 26, Malheur, OR
Over: MILL CREEK
00.8 EAST OF MARION RD, Marion, OR
Over: Butte Creek Oflow
023 MI E HWY 01E, Marion, OR
Over: MARION CREEK
0.8 MILES S. WINTER CR.RD, Marion, OR
Over: WILLAMETTE RIVER
WILLAMETTE RIVER MP 12.4, Multnomah, OR
Over: Private Driveway
6.0 MI NW PORTLAND CC, Multnomah, OR
Over: FURNISH DITCH
4.4 MI SE OF HWY 320, Umatilla, OR
Over: CHENOWETH CREEK
004 MI W THE DALLES, Wasco, OR
Over: UPRR
100 MI E THE DALLES, Wasco, OR
Over: FIFTEENMILE CREEK
1.0 MI S. OF WARD RD., Wasco, OR
Over: FANNO CREEK
002 MI EAST OF 92ND AVE, Washington, OR
Over: TURNER CREEK
0.2 MI W CTY LIM YAMHILL, Yamhill, OR
Over: COX CREEK
0.3 MI N OF US 20, Linn, OR
Over: BURNT RIVER (UNITY DAM)
3.4 MI. NE JCT. US 26, Baker, OR
Over: CLACKAMAS RIVER
1.4 MI N OREGON CITY CC, Clackamas, OR
Over: ROCK CREEK OVERFLOW
01.0 MI N OF HWY 213, Clackamas, OR
Over: HWY 64 SB TO HWY 3
AT WEST LINN INT, Clackamas, OR
Over: N Fk Nehalem River
037 MI NE CLATSOP TILL LN, Clatsop, OR
Over: COW CREEK
3.5 MI W OF RIDDLE, Douglas, OR
Over: WAGGONER CREEK
8.0 MI S OF ELKTON, Douglas, OR
Over: SPR.LAKE RD/DRAIN DITCH
023 MI NO OF LOWER LK RD, Klamath, OR
Over: KNOWLES CREEK
014 MI E MAPLETON, Lane, OR
Over: LOST CREEK
10 S HWY 58 AT DEXTER, Lane, OR
Over: Siletz River
004 MI N SILETZ, Lincoln, OR
Over: Santiam River
065 MI N OF ALBANY NCL, Marion, OR
Over: Abiqua Creek
023 MI S MT ANGEL, Marion, OR
Over: RHEA CREEK (SNYDER)
6.7 MI SW OF HWY 74, Morrow, OR
Over: B-128E NW EVERETT/RAMP
S/W'S E & W OF NW 1ST AVE, Multnomah, OR
Over: UPRR
0.2 MI N OF BURNSIDE BR, Multnomah, OR
Over: Rogue River
014 MI N GRANDE RONDE, Polk, OR
Over: McTimmonds Creek
008 MI N PEDEE, Polk, OR
Over: Nehalem River
016 MI NE HWY 53 & 101 JT, Tillamook, OR
Over: Panther Creek
032 MI E HWY 9 JCT, Tillamook, OR
Over: Tiger Creek
038 MI N BEAVER, Tillamook, OR
Over: WILDHORSE CREEK
0.3 MI W OF HWY 11, Umatilla, OR
Over: FURNISH DITCH
3.6 MI SE OF HWY 320, Umatilla, OR
Over: ROCK CREEK
IN MOSIER, Wasco, OR
Over: FANNO CREEK
003 MI S SCHOLLS FERRY RD, Washington, OR
Over: BUTTERNUT CREEK
008 MI N ROSEDALE ROAD, Washington, OR
Over: ZIGZAG RIVER
S-15, T-3S, R-8E, WM, Clackamas, OR
Over: BLITZEN RIVER
10.0 MI S OF HDQTRS, Harney, OR
Showing 1,301-1,350 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.