Total Bridges
8,310
Public highway bridges in Oregon
State profile · Below national median SD
Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Oregon — drawn straight from the FHWA National Bridge Inventory.
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 rated 0-4
Structurally Deficient
4.5%
371 bridges flagged for repair priority
-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 on the structurally deficient leaderboard (lower share = better)
States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Oregon on the same metric.
24
08
41
39
34
Six lowest-condition bridges in Oregon, ranked by composite NBI rating. Each is inspected at least every 24 months.
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: UPRR
0.5 MI N OF MILWAUKIE CC, Clackamas, OR
Over: I-5 (HWY 001)
HWY 1 & HWY 144 INTCHNGE, Clackamas, OR
Over: HWY 171
3.0 MI SE OF MILWAUKIE CC, Clackamas, OR
Over: OR 99E (HWY 81)
HWY 171 over HWY 081, Clackamas, OR
Over: OR 99E (HWY 81)
HWY 171AA OVER HWY 81, Clackamas, OR
Over: Main St
0.4 MI N OF W. LINN BR, Clackamas, OR
Over: Hwy 064
0.4 MI S OF WILLAMETTE R, Clackamas, OR
Over: Hwy 064
0.5 MI S OF WILLAMETTE, Clackamas, OR
Over: Hwy 064
0.4 MI S OF PORTLAND SCL, Clackamas, OR
Over: Hwy 064
0.8 MI S OF PORTLAND SCL, Clackamas, OR
Over: Hwy 064
2.1 MI S OF PORTLAND SCL, Clackamas, OR
Over: HWY 64
2.9 MI N OF CLACKAMAS RV, Clackamas, OR
Over: HWY 64
2.7 MI N OF CLACKAMAS RV, Clackamas, OR
Over: Hwy 064
0.9 MI S OF WILLAMETTE R, Clackamas, OR
Over: 10th Street
2.7 MI S OF WILLAMETTE R, Clackamas, OR
Over: 10th Street
2.7 MI S OF WILLAMETTE R, Clackamas, OR
Over: Blankenship Rd
3.3 MI S OF WILLAMETTE R, Clackamas, OR
Over: Blankenship Rd
2.5 MI W OREGON CITY CC, Clackamas, OR
Over: Woodbine Rd
4.0 MI S OF WILLAMETTE R, Clackamas, OR
Over: Woodbine Rd
4 0 MI S OF WILLAMETTE R, Clackamas, OR
Over: Hwy 064
4.8 MI S OF WILLAMETTE R, Clackamas, OR
Over: Borlan Rd
5.3 MI S OF WILLAMETTE R, Clackamas, OR
Over: Borland Rd
5.3 MI S OF WILLAMETTE R, Clackamas, OR
Over: Hwy 064
6.0 MI S OF WILLAMETTE R, Clackamas, OR
Over: Hwy 064
1.0 MI N OF OREGON CITY, Clackamas, OR
Over: Hwy 064
1.9 MI N OF OREGON CITY, Clackamas, OR
Over: Hwy 51 NB
021 MI N MARION-CLACK LN, Clackamas, OR
Over: HWY 26
2.8 MI E MULT-CLACK CO LN, Clackamas, OR
Over: US 26 (HWY 053)
AT JCT OF HWYS 26 AND 53, Clackamas, OR
Over: REDLAND RD & CREEK
2.9 MI OFF OREGON CITY CC, Clackamas, OR
Over: Hwy 160
1 M S I-205 & PARK PLACE, Clackamas, OR
Over: Hwy 064
2.4 MI S OF PORTLAND SCL, Clackamas, OR
Over: WILSONVILLE ROAD
0.8 MI N OF WILLAMETTE R, Clackamas, OR
Over: WILSONVILLE ROAD
0.74 M N OF WILLAMETTE R, Clackamas, OR
Over: Hwy 064
1.63 MI S OF PORTLAND SCL, Clackamas, OR
Over: HWY 26
2.9 MI W HWY 53 JCT, Clackamas, OR
Over: Hwy 51 SB
020 MI N MARION-CLACK LN, Clackamas, OR
Over: Hwy 51 SB
020 MI N MARION-CLACK LN, Clackamas, OR
Over: HWY 64
Over Hwy 064 Mp 13.48, Clackamas, OR
Over: 94th_Ave
0.15 Mile W Inter Minman, Clackamas, OR
Over: Prvt Dr
0.12 Mile W Inter Minman, Clackamas, OR
Over: Private Road
080 MI S ASTORIA, Clatsop, OR
Over: Arch Cape Creek
001 MI N ARCH CAPE TUNNEL, Clatsop, OR
Over: John Day River
026 MI E ASTORIA, Clatsop, OR
Over: Nehalem River & Hwy 103
001 MI NW JEWELL JCT, Clatsop, OR
Over: Belt Line
IN ASTORIA, Clatsop, OR
Over: Sunset Blvd.
0.43M S CANNON BEACH JCT., Clatsop, OR
Over: Warren Street
050 MI N ARCH CAPE TUNNEL, Clatsop, OR
Over: US 30 (HWY 92)
11.0 MI E ASTORIA, Clatsop, OR
Over: Columbia River
Main through truss spans, Clatsop, OR
Showing 51-100 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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.
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.
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |