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Bridge conditions in Linn County, Oregon

564 inventoried bridges · 95 rated poor · 2025 National Bridge Inventory

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

Of the 564 Linn County bridges in the federal inventory, 95 carry a poor rating. That 16.8% share is roughly 3x the national average.

95 of the 564 bridges in Linn County, Oregon, are rated in poor condition (16.8%) in the 2025 National Bridge Inventory, as of August 20, 2026.
106 bridges (18.8%) are rated good and 363 (64.4%) fair.
The median Linn County bridge was built in 1967.
The busiest poor-rated bridge is US 20 (hwy 16) EB over Lebanon Ditch (built 1921), carrying about 18,798 vehicles a day.

Good 18.8% · Fair 64.4% · Poor 16.8% of 564 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Bridge	Built	Vehicles/day	Condition
US 20 (hwy 16) EB over Lebanon Ditch	1921	18,798	Poor
Salem Ave over Cox Creek	1940	11,330	Poor
Columbus St. over Oak Creek Oflow	1991	4,841	Poor
OR 99E (Hwy 58) over Creek	1954	3,351	Poor
9TH Ave over Santiam-albany Canal	1930	2,575	Poor
Tangent Dr over Tributary of Lake Creek	1968	2,400	Poor
Peoria Rd over Lake Creek	1969	2,060	Poor
Sand Ridge Road over Butte Creek	1962	1,957	Poor
Three Lakes Rd over Albany Santiam Canal	1987	1,906	Poor
Coburg Road over Curtis Slough	1959	1,854	Poor
OR 226 (Hwy 211) over Jordan Creek	1963	1,786	Poor
Fish Hatchery Dr. over Beaver Creek	1970	1,777	Poor
Goldfish Farm Rd. over Cox Creek	1984	1,700	Poor
Bellinger Scale Rd over Beaver CR	1979	1,604	Poor
Clover Ridge Rd over Truax Creek	1960	1,494	Poor
Stoltz Hill Rd over Oak Creek	1966	1,442	Poor
River Dr over Albany-santiam Canal	1983	1,390	Poor
Bellinger Scale Rd over Hamilton CR	1967	1,390	Poor
3RD Ave over Calapooia Rv	1960	1,236	Poor
Rock Hill Drive over Oak Creek	1968	930	Poor
Wheeler Street over Albany Santiam Canal	1958	850	Poor
White Oak Rd over Owl Creek	1978	742	Poor
Gilkey Road over Ditch	1976	690	Poor
Mcdowell CR Drive over Willow Creek EB	1958	670	Poor
Harrison Road over Cochran Creek	1972	618	Poor
N Lake Creek Dr over Swale	1960	592	Poor
Kingwood Ave over De Ford CR	1958	592	Poor
Lake Cr.dr.east over Courtney Creek	1974	577	Poor
Seven Mile Ln over Swale/overflow	1963	566	Poor
Dever-conner Road over Crooks Creek	1976	566	Poor
Boston Mill Rd over Overflow	1977	542	Poor
Bowers Drive over Muddy Creek	1966	541	Poor
Tennessee Rd over Small Creek	1964	541	Poor
Ogle Rd over Courtney Creek	1964	539	Poor
Bowers Drive over Dry Muddy Creek	1972	536	Poor
Steckley Rd over Oak Creek Overflow	1961	505	Poor
Tennessee Rd over Slough	1982	422	Poor
Ogle Rd over Creek	1964	402	Poor
Tennessee Rd over Mill Creek	1981	391	Poor
Tennessee Rd over Mill Creek	1981	371	Poor
Tennessee Rd over Mill Creek	1982	371	Poor
Upper Berlin Rd over Hamilton Creek	1971	360	Poor
Lochner Rd over Oak CR Oflow	1959	360	Poor
Lochner Rd over Oak CR Oflow	1959	360	Poor
Fry Road over Oak Creek	1965	356	Poor
Fry Rd over Oak Creek	1960	330	Poor
Bush Garden Dr. over Muddy Creek	1971	319	Poor
Wyatt Drive over Curtis Slough	1986	309	Poor
Boston Mill Rd over Sodom Ditch	1961	299	Poor
Boston Mill Rd over Calapooia River	1962	299	Poor
Falk Rd over Spoon Creek	1961	299	Poor
Mt Pleasant Rd over Beaver CR	1958	299	Poor
Ogle Rd over Creek	1961	283	Poor
Ogle Rd over Ditch	1964	283	Poor
Gap Road over Pierce Creek	1967	278	Poor
Tangent Loop Rd over Lake Creek	1971	278	Poor
Hungry Hill Dr. over Crabtree Creek	1936	258	Poor
Crook Rd over Muddy Creek	1981	237	Poor
Crook Rd over Muddy Creek Overflow	1968	237	Poor
Tangent Dr over Owl Creek	1980	232	Poor
Robinson Rd over Sucker CR	1967	227	Poor
Groshong Road over Ditch	1959	206	Poor
Falk Rd over Spoon Creek	1960	185	Poor
Griggs Dr. over Beaver Creek	1973	180	Poor
Nixon Drive over Little Muddy CR. Oflow	1964	175	Poor
Tangent Loop Rd over Lake Creek	1981	175	Poor
Nicewood Dr. over Lake Creek	1971	165	Poor
Cartney Road over Camous Creek	1958	165	Poor
Cartney Road over Muddy Creek	1970	154	Poor
Waverly Dr. North over Cox Creek	1957	154	Poor
Mcqueen Dr over Creek	1958	154	Poor
Oakville Rd over Muddy Creek	1975	124	Poor
Bellinger Rd. over Hamilton CR	1967	118	Poor
Wirth Road over Creek	1969	113	Poor
Tangent Loop Rd over Lake Creek	1961	113	Poor
Cochran CR Dr over Cochran Creek	1969	103	Poor
Nixon Drive over Camous Creek	1967	98	Poor
Pine Grove Drive over Lake Creek	1974	93	Poor
Manning Road over Cochran Creek	1961	93	Poor
Freeman Road over Freeman CR	1978	93	Poor
Brattain Road over Muddy Creek	1985	88	Poor
Allen Lane over Creek	1979	77	Poor
Old Bridge Dr over Overflow	1934	76	Poor
Oak Plain Dr over Muddy Creek	1975	72	Poor
Abraham Dr over Creek	1964	72	Poor
Muller Drive over Burkhart Creek	1963	65	Poor
Abraham Dr over Muddy Creek	1963	57	Poor
Dale Drive over Muddy Creek	1968	52	Poor
Road over S Santiam R	1953	50	Poor
Cyrus Rd over Mill Creek	1988	48	Poor
N Folsom Rd over Mill Creek	1975	36	Poor
Glass Drive over Lake Creek	1969	26	Poor
Freitag Rd over Mill Creek	1959	21	Poor
Miller Rd over Smallman Creek	1950	15	Poor
Road over Puzzle CR	1954	5	Poor

Busiest bridges in the county

Bridge	Built	Vehicles/day	Condition
Dever-Conner Road over I-5 (Hwy 1)	1958	66,723	Fair
I-5 (hwy 1) over Truax Creek	1947	66,382	Fair
I-5 (hwy 1) NB over Knox Butte Road	1958	34,103	Fair
I-5 (hwy 1) NB over Or 99E (hwy 058) NB	1958	34,103	Fair
I-5 (hwy 1) SB over Knox Butte Road	1958	34,103	Fair
I-5 (hwy 1) SB over Or 99E (hwy 58) NB	1958	34,103	Fair
I-5 (Hwy 1) SB over Santiam Overflow No. 4	1958	33,446	Fair
I-5 (Hwy 1) NB over Santiam Overflow No. 4	1994	33,446	Fair
I-5 (Hwy 1) NB over Santiam Overflow No. 10	2001	33,446	Fair
I-5 (Hwy 1) NB over Santiam Overflow No. 5	2001	33,446	Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

Every bridge in Linn County → - all 564, busiest first, each with its own condition record.

All of Oregon: Oregon bridge conditions by county · every download on the data page.

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