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Every bridge in Cowlitz County, Washington

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

161 inventoried bridges, busiest first

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

Cowlitz County, Washington, has 161 bridges in the 2025 National Bridge Inventory: 75 rated good, 80 fair, and 6 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
I-5 over Bn Ry	1972	37,599	Fair
I-5 over Kalama River	1971	37,279	Good
I-5 over Kalama River	1970	37,279	Good
I-5 over Owl Creek	1972	36,932	Good
I-5 over Owl Creek	1972	36,932	Good
I-5 over Todd Rd	1971	35,483	Good
I-5 over Todd Rd	1971	35,483	Good
I-5 over Elm St	1968	34,170	Fair
I-5 over Elm St	1968	34,170	Good
I-5 over Log Dump Rd	1955	33,912	Fair
I-5 over Log Dump Rd & Bn Ry	1972	33,912	Poor
I-5 over SR 503	1963	33,156	Good
I-5 over SR 503	1963	33,156	Fair
I-5 over C&c Ry & County Rd	1976	30,451	Fair
I-5 over C&c Ry & N Pacific Ave	1976	30,451	Fair
I-5 & Pacific Ave over Ostrander Creek	1965	28,965	Fair
I-5 over Coweeman River	1979	28,940	Fair
I-5 over Coweeman River	1979	28,940	Fair
I-5 over Coweeman River	1979	28,940	Fair
I-5 over Coweeman River	1979	28,940	Fair
I-5 over Coweeman River	1979	28,940	Fair
I-5 over Coweeman River	1980	28,940	Fair
I-5 over Kelso Ave (old SR 431)	1979	27,119	Good
I-5 over Kelso Ave (old SR 431)	1980	27,119	Good
I-5 over Huntington Ave	1975	25,975	Fair
I-5 over Huntington Ave	1975	25,975	Good
I-5 over Allen St / SR 4	1981	23,283	Good
I-5 over Allen St/sr 4	1980	23,283	Good
I-5 over Toutle River	1969	22,866	Fair
I-5 over Toutle River	1969	22,866	Fair
SR 433 over Columbia R @ Longview	1929	20,432	Fair
SR 432 over I-5	1959	20,005	Fair
SR 432 over Cowlitz R & Np Ry	1961	19,487	Fair
SR 432 over Cowlitz River & BNSF	1973	19,487	Fair
I-5 N-w Ramp over SR 432 E-s Ramp	1959	13,089	Fair
Lexington Br.driv over Cowlitz R. and BNSF RR	2007	12,000	Good
SR 432 E-s Ramp over SR 432 E-e Ramp	2011	11,310	Good
Allen Street over Cowlitz R Bnrr City St	2000	10,700	Fair
Washington Way over Lake Sacajawea	2015	9,950	Good
SR 504 over I-5	1975	9,416	Fair
SR 4 over Cowlitz R / RR / SR 411	1951	9,179	Fair
SR 432 over 3RD Ave / SR 411	1961	8,598	Good
SR 432 over SR 411/3RD Ave	1975	8,598	Fair
Louisiana St over Lake Sacajawea	1967	8,100	Good
SR 411 over Cowlitz River	1963	6,753	Poor
East Cc St over Lewis River	1966	6,628	Fair
SR 432 over Solo Slough	1961	6,580	Good
Old 99 South over Owl Creek	1922	6,500	Poor
Lexington Br Dr over I-5	1975	6,191	Good
SR 503 over Ross Creek	1989	5,655	Good
SR 4 over Coal CR Sl	1964	5,580	Good
SR 411 over Burlington Northern RR	1922	5,301	Fair
Talley Way over Coweeman River	1961	5,285	Fair
SR 4 over Abernathy Creek	1930	4,787	Fair
SR 4 over Germany Creek	1980	4,787	Good
SR 4 over Half Br W of Bunker Hill	1930	4,787	Fair
SR 4 over Half Br W of Bunker Hill	1930	4,787	Fair
SR 411 over Arkansas Creek	1981	4,365	Good
Fibre Way over Port of Longview RR	2002	4,250	Good
Nevada Dr over Westover Creek	2000	4,100	Good
SR 4 over Mill Creek	1963	3,993	Good
S-w Ramp over W-w Ramp	2011	3,978	Good
Brynion St over I-5	1980	3,721	Fair
Huntington Ave over Bnrr	1994	3,650	Fair
Rose Valley Rd over Owl Creek	1957	3,600	Fair
Rose Valley Rd over Owl Creek	1957	3,600	Fair
20TH Ave. over Lake Sacajawea	1940	3,133	Fair
Grade St over I-5	1979	2,712	Fair
Grade Street over Coweeman River	1990	2,675	Good
Kalama R Rd over I-5	1970	2,509	Fair
46th Avenue over Cutoff Slough	2024	2,320	Good
Harmony Dr over Coal Creek	1953	2,253	Fair
Oak Street over I-5	1968	2,051	Fair
SR 503 over Jim Creek	1945	1,969	Poor
Rose Valley Road over Turner Creek	2020	1,800	Good
SR 503 over Rock CR	1996	1,700	Fair
Ostrander Rd over Ostrander Creek	1962	1,600	Fair
Ostrander Rd over Ostrander Creek	2023	1,600	Good
Kelso Dr over Coweeman R	1947	1,500	Good
SR 503 Spur over Speelyai Creek	1953	1,494	Good
Delameter Rd over Arkansas Creek	1953	1,430	Fair
South Toutle Rd over South Toutle River	1971	1,400	Fair
South Toutle Rd over Outlet Creek	1950	1,388	Fair
Pacific Ave North over Bnrr	1994	1,300	Fair
Pacific Avenue N. over BNSF railroad	2023	1,300	Good
W Kalama River Rd over Bnrr	1976	1,250	Fair
Delameter Rd over Delameter Creek	1957	1,203	Fair
Delameter Rd over Delameter Creek	1954	1,176	Fair
West Side Hwy over Olequa Creek & Bnrr	1978	1,100	Fair
SR 504 over Outlet Creek	1970	1,013	Fair
SR 504 over Toutle River	1982	1,013	Good
Inglewood Dr over Westover Creek	1997	1,000	Good
Pleasant Hill Rd over I-5	1975	982	Fair
Meeker Dr over Kalama River	1952	975	Good
SR 504 over N Fk Toutle River	1965	955	Poor
SR 503 Spur over Panamaker Creek	1961	943	Fair
Headquarters Rd over I-5	1975	936	Good
SR 503 over Speelyai Creek	1952	865	Good
Oak St over Bnrr & Hendrickson Dr	1968	800	Fair
Modrow Rd over Kalama River	1958	795	Fair
Powell Rd over I-5	1975	771	Good
Delameter Rd over Monahan Creek	2003	750	Good
Rose Valley Rd over Goble Creek	1958	750	Fair
Old Pacific Hwy N over I-5	1968	721	Good
SR 504 over N Fk Toutle River	1989	709	Good
Mill Creek Rd over Mill Creek	1958	700	Poor
SR 504 over Bear Creek	1990	647	Fair
SR 504 over Cow Creek	1991	647	Good
SR 504 over Creek	1991	647	Good
SR 504 over Hoffstadt Creek	1991	647	Fair
SR 504 over Pullen Creek	1988	647	Good
N Hendrickson Dr over Kalama River	2001	600	Good
Sightly Road over Outlet Creek	1956	600	Fair
Tower Rd over Toutle River	1981	600	Fair
SR 504 over Coldwater CR	1994	585	Good
SR 504 over E Fork Elk Creek	1992	585	Good
SR 504 over Elk Creek	1991	585	Good
SR 504 over Maratta Creek	1992	585	Good
SR 504 over SR 504 Turnaround	1992	585	Good
SR 506 over Campbell Creek	1960	541	Good
SR 504 over S. Coldwater Creek	1994	539	Good
Pleasant Hill Rd over Salmon Creek	2021	525	Good
Old Pacific Hwy N over Toutle River	1935	509	Fair
Rose Valley Rd over Coweeman River	1974	420	Fair
Goble CR Loop Rd S over Goble Creek South Fork	1949	410	Good
Abernathy Creek Rd over Abernathy Creek	2005	371	Good
Spruce Creek Rd over Mill Creek	2004	350	Good
Tower Road over Rock Creek	2022	325	Good
Barnes Dr over Hill Creek	1923	300	Fair
Holcomb Rd over C&c Railroad	1968	300	Fair
Carlon Loop Rd over Coal Creek	1976	257	Good
Abernathy Creek Rd over Abernathy Creek	1962	200	Fair
Abernathy Creek Rd over Abernathy Creek	1976	200	Fair
Fallert Rd over Kalama River	1985	200	Fair
Wren Loop Rd over Arkansas Creek	1960	195	Fair
Slide Creek Rd over Abernathy Creek	1952	163	Good
Kalama River Rd over Wild Horse Creek	2001	160	Good
Mill Creek Rd over Mill Creek	1960	150	Fair
Kalama River Rd over Gobar Creek	1975	146	Good
Mill Creek Rd over Mill Creek	1960	145	Fair
Growlers Gulch Rd over Arkansas Creek	1953	134	Good
Quick Rd over Whittle Creek	1999	130	Good
Cline Rd over Arkansas Creek	1959	115	Fair
Maple Hill Rd S over Owl Creek	1954	100	Good
Spruce Creek Rd over Spruce Creek	1966	100	Fair
Carlon Loop Rd over Coal Creek	1963	88	Fair
Hansen Rd over Outlet Creek	1969	87	Fair
Duncan Rd over Owl Creek	2003	75	Good
Coyote Lane over Baxter Creek	2020	65	Good
Slide Creek Rd over Slide Creek	1978	60	Fair
Kalama River Road over Summers Creek	2010	57	Good
Miekler Rd over Hill Creek	2006	53	Good
Hackett Rd over Coal Creek East Fork	1975	38	Fair
Rose Valley Road over Mulholland Creek	2008	38	Good
Allender Rd over Stillwater Creek	1958	20	Fair
Allender Rd over Stillwater Creek	1953	20	Fair
Allender Rd over Stillwater Creek	1955	20	Fair
No Data Entered over East Fork Fossil Creek	1999	20	Good
Wiest Rd over Abernathy Creek	1993	15	Good
Wiest Rd over Wiest Creek	1972	10	Fair
Cameron Creek Rd over Cameron Creek	1997	3	Good

Source: FHWA National Bridge Inventory, 2025.

Cowlitz County bridge conditions · Washington bridges by county.

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