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Every bridge in Benton County, Oregon

Name: Every bridge in Benton County, Oregon
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

190 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Benton County, Oregon, has 190 bridges in the 2025 National Bridge Inventory: 50 rated good, 120 fair, and 20 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
OR 99W (Hwy 91) SB over Marys River	1949	23,359	Fair
OR 34 (Hwy 33) over Willamette River	1991	22,606	Good
Or 34 (hwy 33) over 3rd & 4th Streets	1992	22,606	Good
US 20 (Hwy 33) over Wprr	1960	22,606	Fair
US 20 (Hwy 33) over Oak Creek	1960	22,169	Fair
NW 9TH St over Dixon CR	1985	20,182	Fair
NW 9TH Street over Sequoia Creek	1940	19,662	Fair
Or 99W (hwy 91) over Creek	1992	19,591	Good
US 20 (hwy 31) EB over Willamette River	1925	16,759	Fair
Or 99W (hwy 91) over Jackson Creek	1919	15,894	Good
Kings Blvd over Dixon Creek	1991	15,709	Fair
Hwy 31 over Bowers Slough	1964	15,140	Fair
Walnut Boulevard over Sequoia Creek	2010	15,000	Good
OR 99W (Hwy 91) over Mountain View Creek	2011	13,626	Good
US 20 (hwy 31) WB over Willamette River	1971	13,386	Fair
Or 34 (hwy 33) over Newton Creek	2007	13,380	Fair
Hwy 210 EB over Willamette River	1913	12,687	Poor
Hwy 210 EB over Willamette River	2023	12,687	Fair
OR 34 (Hwy 210) WB over Willamette River	1964	12,687	Poor
US 20 (hwy 33) over Marys River	1954	12,164	Fair
OR 99W (Hwy 91) NB over Marys River	1933	11,781	Fair
Walnut Blvd over Oak Creek	1968	10,715	Good
Or 99W (hwy 91) over Wprr	1954	10,469	Fair
Or 99W (hwy 1W) NB over Dixion Creek	1942	10,003	Fair
Or 99W (hwy 1W) SB over Dixion Creek	1942	9,617	Good
US 20 (hwy 33) over Harris Road & WPRR	1927	9,235	Fair
SW Western Blvd over Oak CR	1925	9,000	Fair
NW Circle Blvd. over Dixon Creek	1996	8,322	Fair
NW Buchanan Ave over Dixon Creek	1981	7,698	Good
US 20 (hwy 33) over Marys River	1966	7,356	Fair
NW 5TH St. over Dixon CR	1972	7,178	Fair
US 20 (hwy 33) over Marys River & WPRR	1955	7,008	Fair
US 20 (hwy 33) over Norton Creek	1975	7,008	Good
Hwy 091 over Lake Slough	2018	6,255	Good
Or 99W (hwy 91) over Miller Creek	2008	6,255	Fair
Or 99W (hwy 91) over Long Tom River	1954	6,054	Fair
SW 30TH St over Oak Creek	1958	5,930	Fair
SW 35TH St over Oak CR	1978	5,930	Fair
SW 35TH St over Dunawi Creek	1977	5,410	Fair
NW Buchanan Ave over Dixon CR	1972	4,785	Fair
NW Grant St over Dixon CR	1967	4,100	Poor
OR 34 (Hwy 27) over Marys River	1949	4,008	Fair
SW 15TH St over Marys River	1953	3,800	Fair
North Albany Road over Thornton Lake	2015	3,750	Fair
NW Garfield Ave over Dixon CR	1958	3,374	Poor
US 20 (Hwy 33) EB over Hwy 91 SB	1960	3,280	Fair
SE Crystal Lake Dr over Mill Race	1985	3,017	Fair
NW Oak Creek Dr over Oak Creek	1984	2,893	Fair
NW Independence Hw over Frazier Creek	1976	2,840	Fair
OR 99W (Hwy 91) over Marys River	1991	2,643	Good
Bellfountain Rd over Evergreen Creek	1976	2,571	Fair
NW 10TH St over Dixon CR	1984	2,393	Fair
NW 11TH St over Dixon CR	1981	2,393	Good
OR 34 (Hwy 27) over Rock Creek	1926	2,352	Fair
NE Granger Ave over Frazier Creek	1990	2,250	Fair
OR 34 (Hwy 33) Con over SW 3rd Street	1991	2,176	Good
Bellfountain Rd over N. Fork Beaver Creek	1954	2,143	Fair
Fern Rd over Marys River	1961	2,060	Fair
Bellfountain Rd over Marys River	1964	1,929	Fair
SW Brooklane Dr. over Dunawi Creek	1987	1,795	Fair
NW Beca Ave over Dixon CR	1984	1,769	Fair
Greenberry Rd over Muddy Creek	1967	1,731	Good
OR 34 (Hwy 027) over Yew Creek	1966	1,633	Fair
OR 34 (Hwy 27) over N. Fork Alsea River	1927	1,633	Fair
Chapel Dr over Newton Creek	2003	1,560	Good
OR 223 (Hwy 191) over Marys River	1950	1,447	Fair
Fern Road over Evergreen Creek	1988	1,446	Fair
NW Oak Creek Dr over Oak Creek	1984	1,393	Fair
OR 34 (Hwy 27) over Mill Creek	1953	1,162	Fair
OR 34 (Hwy 27) over Maltby Creek	1956	1,124	Fair
SE Bridgeway Ave over Mill Race	1965	1,114	Fair
OR 223 (Hwy 191) over Luckiamute River	1966	1,088	Good
OR 223 (Hwy 191) over Maxfield Creek	1967	1,088	Fair
OR 223 (Hwy 191) over Price Creek	1967	1,088	Fair
Alpine Rd over Muddy Creek	2017	1,072	Good
SW Morris Ave over Oak CR	2016	1,030	Good
NW Ryals Ave over Bowers Slough	1965	917	Fair
Maxfield CR Rd over Maxfield Creek	1964	750	Fair
Dawson Rd over Muddy Creek Overflow	1960	723	Good
Hwy 201 over N. Fork Alsea River	1937	713	Fair
Airport Rd over Muddy CR Oflow	2003	697	Good
Maxfield CR Rd over Maxfield Creek	1964	670	Fair
NW Cresent Val. Dr over Jackson Creek	1962	643	Fair
SE Kiger Island Dr over Willamette River Arm	1963	639	Good
South Fork Road over Oliver Creek	1958	603	Fair
Maxfield CR Rd over Maxfield Creek	1968	592	Fair
Applegate St over Newton Creek	2001	572	Good
Maxfield CR Rd over Maxfield Creek	1968	566	Fair
NW Elmwood Drive over Dixon Creek	1987	563	Fair
Woods CR Rd over Woods Creek	1978	563	Fair
Bellfountain Rd over Oliver Creek	2006	535	Fair
Dawson Rd over Muddy Creek	1960	535	Fair
Airport Rd over Muddy Creek	1958	493	Fair
NE Seavy Ave over Stewart Slough	2008	493	Fair
E Ingram Island Rd over Ingram Slough	1963	469	Poor
Old River Rd over Flat Creek	2003	439	Good
Llewellyn Rd over Muddy Creek Overflow	1959	437	Poor
Llewellyn Rd over Oflow Channel	2001	437	Fair
Llewellyn Road over Muddy Creek	2004	437	Fair
Dawson Rd over Reese Creek	2004	416	Fair
Knollbrook Pl over Dunawi Creek	2006	364	Fair
Hoskins Rd over Luckiamute River	1958	360	Fair
Hubbard Rd over Long Tom River	2023	360	Fair
Hwy 180 over Marys River	1957	347	Fair
Jack London Rd over Stewart Slough	2013	343	Fair
NE Belvue Rd. over Stewart Slough	2013	343	Good
Oxford Circle over Stewart Slough	2013	343	Fair
Hwy 201 over S. Fork Alsea Overflow	1937	342	Good
Hwy 201 over South Fork Alsea River	1934	342	Fair
Grange Hall Rd over Greasy Creek	2000	336	Good
Decker Rd over Greasey Creek	1961	321	Fair
NW Oak Creek Dr over Oak Creek	1957	321	Fair
SW 53RD St over Marys River	1965	321	Fair
Old River Rd over Long Tom River	1962	312	Fair
Beaver Creek Rd over Beaver Creek	1962	269	Poor
Stow Pit Rd over Creek	2016	269	Fair
Stow Pit Rd over Long Tom River	2000	269	Fair
Bellfountain Rd over Hammer Creek	2016	261	Good
Smith Loop over Slough	1963	224	Fair
Luckiamute R Rd over Luckiamute River	1956	214	Good
Bundy Rd over Steamboat Channel	1962	208	Fair
Harris Road over Marys River	1998	199	Fair
Hwy 201 over Bummer Creek	1967	194	Good
Beaver Creek Rd over Beaver Creek	1978	193	Good
Tum Tum Rd over Tum Tum River	1955	193	Fair
Harris Road over Marys River	1965	187	Fair
Mc Farland Rd over Muddy Creek	1963	182	Poor
Smith Loop over Slough	1956	182	Poor
Lobster Valley Rd over Little Lobster Creek	1957	180	Fair
Dodge Island Rd over Dodge Island Slough	1963	177	Poor
Hoskins Rd over Luckiamute River	1964	175	Fair
Tampico Road over Soap Creek	1956	172	Fair
14 S 06 W 34.01: over South Fork Alsea River	1966	150	Good
Mc Farland Rd over Muddy Creek Overflow	1975	144	Fair
Robison Rd over Soap Creek	1977	140	Poor
Greasy Creek Rd over Greasy Creek	1972	139	Good
Bruce Rd over Muddy CR. Overflow	1996	129	Fair
Bruce Rd over Overflow	1996	129	Fair
Honey Grove Rd over No. Fk. Alsea River	1963	129	Good
Foster Rd over Oliver Creek	1959	125	Poor
Marys River Road over West Fork Marys River	1963	123	Fair
Norton Creek Rd over Norton Creek	1958	123	Fair
Norton Creek Rd over Norton Creek	2015	123	Fair
Fircreek Lane over Greasy Creek	1996	115	Fair
Hoskins Rd over Bottger Creek	2007	114	Fair
Bruce Rd over Muddy Creek	1972	112	Poor
Preacher CR Rd over Lobster Creek	1957	112	Fair
Mc Farland Rd over Muddy Creek	1963	107	Poor
Washington Way over Oak Creek	2006	104	Good
Hayden Road over Alsea River	1945	102	Poor
Hoskins Rd over West Fork Marys River	2011	102	Fair
Tampico Road over Berry Creek	1959	102	Fair
Wiles Road over Soap Creek	1960	102	Poor
Ltl Lobster CR Rd over Little Lobster Creek	1963	101	Poor
14 S 06 W 34.01: over Coleman Creek	2012	100	Fair
14 S 06 W 34.01: over South Fork Alsea River	1962	100	Fair
14 S 06 W 34.01: over South Fork Alsea River	1966	100	Good
14 S 06 W 34.01: over South Fork Alsea River	1966	100	Good
14 S 06 W 34.01: over Williams Creek	2006	100	Fair
Alexander Road over Burgett Creek	2003	97	Poor
Price Creek Rd over Price Creek	2009	91	Fair
Harris Road over Marys River	1929	84	Fair
Irish Bend Rd over Willamette River Oflow	1963	78	Fair
Harris Rd. over Marys River	1939	75	Fair
Salmonberry Rd over Alsea River	1959	75	Fair
Tum Tum Rd over Mulkey Creek	1956	75	Fair
Williams Rd over Hammer Creek	1964	75	Poor
Long Road over West Fork Marys River	2008	71	Good
NE Elliott Circle over Small Creek	1956	65	Fair
Haines Road over Bummer Creek	1961	63	Poor
Refuge Access Road over Lake Creek	1970	60	Good
E Ingram Island Pl over Willamette R. Overflow	1965	53	Fair
Fair Oaks Dr over Creek	2002	53	Good
13 S 06 W 06.00: over Wells Creek	1984	50	Good
13 S 07 W 21.00: over Crooked Creek	1976	50	Good
13 S 08 W 19.02: over Cove Creek	1967	50	Good
14 S 07 W 18.00: over South Fork Alsea River	1961	50	Good
14 S 07 W 24.00: over Peak Creek	1968	50	Fair
Trout Creek Rd. over Trout Creek	2014	40	Fair
Shingle Creek Rd over E. Fork Marys River	1963	38	Good
William Finley Rd over Muddy Creek	1994	30	Good
Seeley CR Rd over No. Fk. Alsea River	1970	27	Good
14 S 08 W 29.01: over Little Lobster Creek	1967	25	Fair
Saxton Rd over Beaver Creek	1963	23	Fair
Road over Rock Creek	2013	20	Good
Road over Alsea River	1964	12	Fair
14 S 08 W 03.01: over Mill Creek	2016	10	Good
Road over Lobster Creek	1955	4	Fair
14 S 07 W 19.00: over Tobe Creek	2015	1	Good
Road over Rock Creek	1976	1	Fair

Source: FHWA National Bridge Inventory, 2025.

Benton County bridge conditions · Oregon bridges by county.

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