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Every bridge in Thurston County, Washington

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

199 inventoried bridges, busiest first

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

Thurston County, Washington, has 199 bridges in the 2025 National Bridge Inventory: 118 rated good, 79 fair, and 2 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 Henderson Blvd	1957	69,477	Good
I-5 over Owr N RR	1957	69,477	Fair
I-5 over Nisqually River	1937	62,815	Fair
I-5 over Nisqually River	1967	62,815	Fair
US 101 NB over I-5 Ramps Street	1990	62,306	Good
I-5 over Pacific Ave	1957	59,814	Fair
I-5 over Linwood Ave	1955	51,489	Good
I-5 over Mcallister CR	1968	50,433	Fair
I-5 over Mcallister Creek	1968	50,433	Fair
I-5 over Nisqually Overflow	1968	50,433	Fair
I-5 over Nisqually Overflow-south	1982	50,433	Fair
I-5 over Martin Way	1967	49,562	Fair
I-5 over Martin Way	1967	49,562	Fair
I-5 over Capitol Lake	1956	49,410	Good
I-5 over Deschutes Parkway	1956	49,410	Fair
US 101 over Percival CR & Bnrr	1995	37,858	Fair
US 101 over Percival CR & Bnrr	1995	37,858	Fair
NB I-5 over Prairie Creek	2009	34,754	Fair
SB I-5 over Prairie Creek	2010	34,754	Good
I-5 over SR 121 & Railroad	2010	33,313	Good
I-5 over Scatter Creek	2010	33,313	Good
College St over I-5	1988	31,602	Good
US 101 SB over Deschutes Parkway	1987	31,153	Good
US 101 over Perry CR	1957	26,624	Fair
US 101 over Perry CR	1958	26,624	Good
Cooper Point Road over Percival Creek and Bnrr	1986	24,550	Fair
US 101 over Black Lake Blvd	1995	24,066	Fair
US 12 over Cmstpp RR	2011	23,512	Good
Cooper Pt Rd over US 101	1976	22,706	Good
SR 507 over Centralia Power Canal	1954	22,357	Good
SR 507 over Nisqually River	1987	22,357	Fair
US 101 over Mud Bay	1958	21,984	Fair
US 101 over Mud Bay	1958	21,984	Fair
Trosper Rd over I-5	1991	21,420	Fair
W 4th Avenue over Budd Inlet W. Bay & BNRR	2004	20,060	Good
W 4th Avenue over Fill Slope	2004	20,060	Fair
5TH Ave over Capitol Lake	1948	19,640	Fair
Martin Way E over Slough	2000	17,895	Good
Martin Way East over Mc Allister Creek	2000	17,895	Fair
SR 510 (marvin Rd) over I-5	2001	16,938	Good
W 5TH Avenue over Bnrr	1958	16,790	Fair
US 12 over I-5	2011	16,270	Good
Lilly Road over I-5	1988	15,200	Good
SR 507 over Tacoma Rail RR	1982	15,046	Fair
SR 507 over Yelm Creek	1986	15,046	Good
Capitol Boulevard over Deschutes R. & Owrr&n R.	1936	14,881	Fair
Custer Way over I-5 Deschutes River	1956	14,308	Fair
Henderson Blvd over Deschutes River	1961	13,945	Fair
Capitol Blvd over I-5 Ramp	1956	13,767	Poor
Tumwater Blvd over I-5	1986	13,762	Good
US 101 over Schneider Creek	1958	13,427	Fair
US 101 over Schneider Creek	1958	13,427	Good
US 12 over Np Ry	1964	13,337	Good
US 12 over Scatter Creek	1926	13,337	Fair
SR 510 over BNSF Railroad	1970	13,225	Good
SR 510 over Np Ry	1970	13,225	Good
Old Pacific Hwy over Nisqually River	1998	13,122	Good
Yelm Hwy S.E. over Railroad	1951	12,500	Fair
Mud Bay Road over Mud Bay	1978	12,249	Good
I-5 Ramps over Henderson Blvd UPRR	1957	12,207	Good
E-s Ramp over S-s Ramp	1990	12,190	Good
US 12 over Slough	1926	11,627	Fair
Sleater-kinney Rd over I-5	1987	11,270	Good
Old Hwy 99 over Prairie Creek	2010	11,240	Good
SR 121 / 93RD Ave over I-5	1968	10,892	Fair
Carpenter Road over Lake Lois	2014	10,192	Good
SR 8 over US 101	1958	10,113	Good
SR 8 over US 101	1958	10,113	Good
US 12 Moon Rd over Slough	1999	10,063	Good
US 12 over Slough	1926	10,063	Fair
Boulevard Road over Trail & Creek	1973	9,640	Good
Steamboat Isl Rd over US 101 & Schneider Creek	1995	9,105	Good
I-5 S-e Ramp over I-5 Mainline	1968	8,930	Fair
Reservation Road over Rail Road	1993	8,901	Good
14TH Ave over I-5	1986	8,842	Good
Deschutes Parkway over Percival Creek	1952	8,500	Good
US 12 over Overflow Channel	1981	8,498	Good
Boulevard Rd over I-5	1984	8,000	Fair
Old Hwy 99 SW over Scatter Creek	1923	7,789	Fair
Mullen Road over Creek	1999	7,703	Good
Boston Street over Deschutes River	1915	7,400	Fair
Meridian Rd over I-5	1968	7,124	Good
Israel Rd over I-5	1990	6,934	Good
Plum St-n Ramp over I-5	1986	6,876	Good
Plum-n Ramp over Eastside St SE	1957	6,876	Poor
Evergreen Parkway over US 101	1975	6,524	Good
I-5 over Pacific Ave.	1988	6,469	Good
Littlerock Road over Salmon Creek	2014	6,458	Good
Evergreen Parkway over Mud Bay Road	1975	6,090	Fair
S-plum Ramp over Eastside St SE	1957	5,800	Good
Hawks Prairie Road over Woodland Creek	1955	5,737	Fair
Old Hwy 99 over Scatter Creek	2007	5,656	Good
2nd AVE SW over US 101	1976	5,490	Good
Wilkensen Road over Centralia Canal	1986	5,357	Good
Nisqually Cutoff over Overflow Channel	1936	5,226	Fair
SR 507 over Deschutes River	1943	5,190	Fair
SR 507 over Weyerhaeuser RR Vacated	1971	5,190	Good
Blk-belmore Rd. over Black Lake Drainage Ditc	1992	5,172	Good
Rw Johnson Rd over Black Lake Drain Ditch	2003	5,120	Fair
Old Hwy 99 SW over Scatter Creek	1923	5,042	Fair
Carpenter Rd over I-5	1967	4,466	Fair
Delphi Road over Dempsey Creek	1995	4,432	Good
I-5 S-w Ramp over Henderson Blvd RR	1957	4,197	Fair
Eastside Street over I-5	1988	4,000	Good
Old Hwy 101 over Schneider CR	1995	3,915	Fair
Rich Road over Deschutes River	1981	3,843	Good
Rich Road over Spurgeon Creek	2012	3,843	Fair
I-5 N-w Ramp over 14TH Ave SE	1986	3,671	Good
Little Rock Rd over Beaver Creek	1951	3,577	Good
Bald Hills Road over Lackamas Creek	2006	3,480	Good
Old Hwy No. 9 over Prairie Creek	1936	3,433	Fair
I-5 on Ramp over Henderson Blvd	1986	3,197	Good
Littlerock Rd. over Creek	1951	3,164	Fair
128TH Av SW over Unnamed Stream	2007	3,047	Good
128TH Ave SW over Black River	1968	3,047	Fair
Case Road over Beaver Creek	1970	3,040	Fair
SR 507 over Skookumchuck River	1971	2,894	Good
183RD SW over Scatter Creek	1949	2,813	Fair
Sargent Road over Scatter Creek	1984	2,812	Fair
SR 121 over Blooms Ditch	2016	2,779	Good
Case Road SW over Scatter Creek	1965	2,751	Fair
Delphi Road SW over Mclane Creek	1993	2,686	Good
Mclane Delphi Road over Mclane Creek	1992	2,686	Good
Delphi Rd over US 101	1958	2,631	Fair
Waldrick Road over Railroad	1995	2,391	Good
SR 121 over Beaver Creek	1955	2,367	Good
183RD Ave SW over I-5	1968	2,344	Good
110TH Ave SW over Black River	1986	2,339	Fair
I-5 over Mcallister CR	1968	2,200	Good
Vail Road over Deschutes River	1997	2,194	Good
I-5 over Mcallister CR	1968	2,163	Good
Waldrick Road over Deschutes River	1986	1,957	Good
SR 121 over Beaver Creek	1973	1,780	Good
Waddell Creek Rd. over Stoney Creek	1976	1,531	Good
Independence Road over Chehalis River	1976	1,409	Fair
Steilacoom Road over Mcallister Creek	1964	1,384	Fair
Madrona Beach Road over Perry Creek	1958	1,325	Fair
James Road SW over Scatter Creek	1982	1,265	Good
James Road over Overflow Channel	1985	1,265	Good
143RD Ave S W over Scatter Creek	1987	1,256	Good
Waddell Creek Road over Waddell Creek	1969	1,164	Good
Woodard Bay Road over Woodard Bay	1958	1,137	Fair
Woodard Bay over Walking Trail	1958	1,137	Good
Vail Cutoff Rd over Deschutes River	1956	1,079	Fair
113TH Ave SW over I-5	1968	1,076	Fair
Moon Road over Black River	1976	1,003	Fair
Steiacoom Road over Hartman Creek	2001	1,001	Good
Kaiser Road over US 101	1989	1,000	Good
Skookumchuck Road over Skookumchuck Overflow	1996	981	Good
Skookumchuck Road over Skookumchuck River	1984	981	Fair
Military Road over Descutes River	1984	911	Good
Independence Rd over Stream	2010	888	Good
Cedar Flats Road over Swift Creek	2008	887	Good
Vail Loop Road over Deschutes River	1982	851	Good
Summit Lake Road over Kennedy Creek	1985	671	Good
Jones Road over Salmon Creek	2020	659	Good
Prather Road SW over Chehalis River	1988	620	Good
Park Access Rd over East Bay Drive NE	1972	600	Good
Old Hwy 410 over Perry Creek	1937	587	Good
Gibson Road SW over Scatter Creek	1967	535	Fair
Gate Rd over Baker Creek	2021	508	Good
Gate Road over Mima Creek	1972	508	Good
Endicott Road over Creek	1958	458	Fair
Beaver Creek Road over Beaver Creek	2017	430	Good
Pleasant Glade Rd over Woodland Creek	2003	420	Good
Hunter Point Rd NW over Unamed Creek	2018	387	Good
School Land Road over Overflow Channel	1981	381	Good
Sherman Valley Rd over Waddell Creek	1982	352	Good
Sch. Lnd. Rd. Culv over Overflow Channel	1981	345	Fair
Tono Road over Skookumchuck River	1972	333	Fair
Peninsula Drive over St.clair Lake	1963	329	Fair
Johnson Creek Road over Johnson Creek	1977	324	Fair
Johnson Creek Road over Johnson Creek	1985	324	Good
183RD SW over Overflow Channel	1924	301	Fair
188 SW over Overflow Channel	1981	291	Fair
Old Military Road over Scatter CR	1999	290	Good
Leitner St. over Scatter Creek	1978	282	Fair
Skookumchuck Road over Skookumchuck River	1996	246	Good
Peissner Rd over Elbow Lake Creek	2020	240	Good
123RD. S.W. over Black River	1986	229	Good
216TH Ave SW over I-5 RR	1968	210	Good
Holmes Isd Rd over Long Lake	1962	177	Fair
Connor Road over Skookumchuck River	1989	152	Good
Steamboat Is. Rd. over Totten Inlet	1982	146	Fair
Flumerfelt Road over Oconner Creek	2018	140	Good
Thompson Creek Rd. over Thompson Creek	1987	89	Fair
Mcelfresh Road SW over Zeknor Creek	1995	79	Good
175 Th S.W. over Overflow Channel	1997	77	Good
Park Road over Creek	2023	75	Good
Park Road over Seasonal Creek	2014	75	Good
Noschka Road over Noski Creek	2011	51	Good
Barbouillat Street over Overflow	1999	50	Good
Latigo Street over Spurgeon Creek	2022	40	Good
Case Rd Ext over Allen Creek	2007	28	Good
Goebel Rd SE over Skookumchuck River	1982	27	Fair
Morningside Drive over Scatter Creek	1995	26	Good
Troy Ave SE over Oconner Creek	2018	20	Good
Meadows Road over Overflow Channel	1995	12	Good
Reeder Road N over Beaver Creek	2021	10	Good

Source: FHWA National Bridge Inventory, 2025.

Thurston County bridge conditions · Washington bridges by county.

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