Benton County, OR

190 public highway bridges

Benton County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Benton County, Oregon contains 190 public highway bridges. Roughly 31.6% are rated “Good,” 56.8% “Fair,” and 6.8% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

190
Total Bridges
31.6%
Good
56.8%
Fair
6.8%
Poor Condition

Condition Distribution

Good
31.6% (60)
Fair
56.8% (108)
Poor
6.8% (13)

All Bridges (190)

LONG ROAD

Good

Over: WEST FORK MARY'S RIVER

003 MI E OF HOSKINS RD, Benton, OR

Built 2008 Load: 36.3 t ADT: 71

US 20 (HWY 33)

Good

Over: Norton Creek

051 MI E LINCOLN BENTON L, Benton, OR

Built 1975 Load: 36.6 t ADT: 5,898

Hwy 201

Good

Over: Bummer Creek

038 MI S HWY 27 JCT, Benton, OR

Built 1967 Load: 36.9 t ADT: 178

AIRPORT RD

Good

Over: MUDDY CR O'FLOW

02.2 MI W OF HWY 99W, Benton, OR

Built 2003 Load: 37.2 t ADT: 697

GRANGE HALL RD

Good

Over: GREASY CREEK

0025 MI E OF HWY 34, Benton, OR

Built 2000 Load: 37.6 t ADT: 336

GREENBERRY RD

Good

Over: MUDDY CREEK

2.12 MI WEST OF HWY 99W, Benton, OR

Built 1967 Load: 39.0 t ADT: 1,731

BEAVER CREEK RD

Good

Over: BEAVER CREEK

0219 MI S OF DECKER RD, Benton, OR

Built 1978 Load: 39.0 t ADT: 193

CHAPEL DR

Good

Over: NEWTON CREEK

0.9 MI SE OF PHILOMATH, Benton, OR

Built 2003 Load: 39.0 t ADT: 1,560

14 S 08 W 03.01:

Good

Over: Mill Creek

3.4 miles N of OR HWY 34, Benton, OR

Built 2016 Load: 42.1 t ADT: 10

BELLFOUNTAIN RD

Good

Over: HAMMER CREEK

0032 MI S OF ALPINE, Benton, OR

Built 2016 Load: 42.8 t ADT: 261

ALPINE RD

Good

Over: MUDDY CREEK

3.2 MILES WEST OF HWY 99W, Benton, OR

Built 2017 Load: 43.4 t ADT: 1,072

NW 9TH ST

Good

Over: DIXON CR

002 MI S OF BUCHANAN AVE, Benton, OR

Built 1985 Load: 46.3 t ADT: 20,182

SE CRYSTAL LAKE DR

Good

Over: MILL RACE

.2 MILE E OF HWY 99W, Benton, OR

Built 1985 Load: 47.6 t ADT: 3,017

OR 99W (HWY 1W) SB

Good

Over: Dixion Creek

020 MI S CORVALLIS, Benton, OR

Built 1942 Load: 47.6 t ADT: 8,572

OLD RIVER RD

Good

Over: FLAT CREEK

0.4 MI NORTH OF CR55701, Benton, OR

Built 2003 Load: 48.1 t ADT: 439

ROAD

Good

Over: ROCK CREEK

NO DATA ENTERED, Benton, OR

Built 2013 Load: 48.6 t ADT: 20

SW MORRIS AVE

Good

Over: OAK CR

INT MORRIS AVE & 26TH ST, Benton, OR

Built 2016 Load: 52.5 t ADT: 1,030

Washington Way

Good

Over: OAK CR

00.1 S OF WASHINGTON WAY, Benton, OR

Built 2006 Load: 52.6 t ADT: 104

BELLFOUNTAIN RD

Good

Over: OLIVER CREEK

1.6 MI NORTH OF CR45120, Benton, OR

Built 2006 Load: 54.8 t ADT: 535

KNOLLBROOK PL

Good

Over: DUNAWI CREEK

N OF KNOLLBROOK AVE, Benton, OR

Built 2006 Load: 55.4 t ADT: 364

NW ELMWOOD DRIVE

Good

Over: DIXON CREEK

001 MILE W OF NW 23RD ST, Benton, OR

Built 1987 Load: 56.1 t ADT: 563

FAIR OAKS DR

Good

Over: CREEK

0.03 MI W OF WALNUT BLVD, Benton, OR

Built 2002 Load: 56.4 t ADT: 53

OR 99W (Hwy 91)

Good

Over: Mountain View Creek

015 MI N CORVALLIS, Benton, OR

Built 2011 Load: 57.7 t ADT: 11,468

HWY 091

Good

Over: Lake Slough

OR 99W MP 103.68, Benton, OR

Built 2018 Load: 63.5 t ADT: 5,283

14 S 06 W 34.01:

Good

Over: Coleman Creek

0.9 Miles S of HWY 34 (MP, Benton, OR

Built 2012 Load: 69.0 t ADT: 100

SW BROOKLANE DR.

Good

Over: DUNAWI CREEK

0.20 S.OF HWY 20/34, Benton, OR

Built 1987 Load: 69.0 t ADT: 1,795

14 S 07 W 19.00:

Good

Over: Tobe Creek

4 miles S of Hwy 34, Benton, OR

Built 2015 Load: 70.6 t ADT: 1

DODGE ISLAND RD

Poor

Over: DODGE ISLAND SLOUGH

0010 MI E OF OLD RIVER RD, Benton, OR

Built 1963 Load: 4.9 t ADT: 177

HWY 210 EB

Poor

Over: Willamette River

001 E HWY 31 & 210 JCT, Benton, OR

Built 1913 Load: 5.5 t ADT: 9,913

HAYDEN ROAD

Poor

Over: ALSEA RIVER

0014 MI S OF HWY 34, Benton, OR

Built 1945 Load: 9.1 t ADT: 102

FOSTER RD

Poor

Over: OLIVER CREEK

0048 MI S OF DAWSON RD, Benton, OR

Built 1959 Load: 11.3 t ADT: 125

WILES ROAD

Poor

Over: SOAP CREEK

0014 MI N OF 04451, Benton, OR

Built 1960 Load: 11.7 t ADT: 102

WILLIAMS RD

Poor

Over: HAMMER CREEK

0010 MI E OF ALPINE RD, Benton, OR

Built 1964 Load: 11.7 t ADT: 75

MC FARLAND RD

Poor

Over: MUDDY CREEK

0043 MI N OF ALPINE RD, Benton, OR

Built 1963 Load: 13.0 t ADT: 182

NW GARFIELD AVE

Poor

Over: DIXON CR

00.1 MI W OF NW 17TH ST, Benton, OR

Built 1958 Load: 15.6 t ADT: 3,374

FIRCREEK LANE

Poor

Over: GREASY CREEK

1.0 SW HWY 34/20 JCT., Benton, OR

Built 1996 Load: 20.4 t ADT: 115

TAMPICO ROAD

Poor

Over: SOAP CREEK

0066 MI W OF SOAP CR RD, Benton, OR

Built 1956 Load: 26.2 t ADT: 172

ROBISON RD

Poor

Over: SOAP CREEK

0170 MI W OF HWY 99-W, Benton, OR

Built 1977 Load: 27.9 t ADT: 140

ALEXANDER ROAD

Poor

Over: BURGETT CREEK

0003 MI N GIRL SCOUT RD, Benton, OR

Built 2003 Load: 34.0 t ADT: 97

NW GRANT ST

Poor

Over: DIXON CR

E OF NW 17TH ST, Benton, OR

Built 1967 Load: 39.9 t ADT: 4,100

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.