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Every bridge in San Luis Obispo County, California

Name: Every bridge in San Luis Obispo County, California
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

402 inventoried bridges, busiest first

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

San Luis Obispo County, California, has 402 bridges in the 2025 National Bridge Inventory: 210 rated good, 170 fair, and 22 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
U.S. Highway 101 over Stenner Creek	1978	62,000	Good
U.S. Highway 101 over Brisco Rd	1956	56,000	Good
U.S. Highway 101 over Perfuma Creek	1948	56,000	Good
US Highway 101 NB over Santa Maria River	1962	56,000	Fair
U.S. Highway 101 over Whitehorse Draw	1952	54,000	Good
US Highway 101 over St Rte 41 (@PM15.96)	2010	53,000	Good
U.S. Highway 101 over Santa Margarita Creek	1916	43,000	Good
US Highway 101 NB over Avila Beach Dr	1963	31,000	Good
US Highway 101 NB over Chorro Street	1953	31,000	Good
US Highway 101 NB over Grand Ave	1953	31,000	Fair
US Highway 101 NB over Graves Creek	1975	31,000	Good
US Highway 101 NB over Las Tablas Ave	1967	31,000	Good
US Highway 101 NB over Marsh Street	1953	31,000	Good
US Highway 101 NB over Paso Robles Creek	1939	31,000	Good
US Highway 101 NB over S Higuera St	1963	31,000	Good
US Highway 101 NB over San Luis Obispo Creek	1940	31,000	Fair
US Highway 101 SB over Avila Beach Dr	1963	31,000	Good
US Highway 101 SB over Chorro Street	1953	31,000	Good
US Highway 101 SB over Grand Ave	1953	31,000	Fair
US Highway 101 SB over Graves Creek	1951	31,000	Good
US Highway 101 SB over Las Tablas Ave	1967	31,000	Good
US Highway 101 SB over Marsh Street	1953	31,000	Good
US Highway 101 SB over Paso Robles Creek	1951	31,000	Fair
US Highway 101 SB over S Higuera St	1963	31,000	Good
US Highway 101 SB over San Luis Obispo Creek	1948	31,000	Good
US Highway 101 NB over UP RR Hwy 101 N Offramp	1958	30,500	Good
US Highway 101 SB over UP RR Amtrak N101-spring	1958	30,500	Good
Madonna Rd over San Luis Obispo Creek	1963	30,400	Fair
Niblick Road over US Highway 101	1987	30,055	Poor
US Highway 101 NB over Atascadero Creek	1956	30,000	Poor
US Highway 101 NB over Traffic Way	1956	30,000	Poor
US Highway 101 NB over UP RR & Amtrak	1991	30,000	Fair
US Highway 101 SB over Atascadero Creek	1956	30,000	Poor
US Highway 101 SB over Traffic Way	1956	30,000	Poor
US Highway 101 SB over UP RR & Amtrak	1991	30,000	Fair
US Highway 101 NB over Spyglass Road	1964	29,250	Good
US Highway 101 SB over Spyglass Road	1964	29,250	Good
State Route 1 over US Hwy 101 (@pm 29.07)	1953	28,000	Good
US Highway 101 NB over Nipomo Creek	1957	28,000	Good
US Highway 101 NB over Pismo CR N101-price Off	1960	28,000	Good
US Highway 101 NB over St Rte 1 (@pm 16.77)	1960	28,000	Good
US Highway 101 NB over UP RR Amtrak Frady Ln	1956	28,000	Good
US Highway 101 NB over Wadsworth Ave	1960	28,000	Fair
US Highway 101 SB over Nipomo Creek	1957	28,000	Good
US Highway 101 SB over Pismo CR N101-price Off	1960	28,000	Good
US Highway 101 SB over St Rte 1 (@pm 16.77)	1960	28,000	Good
US Highway 101 SB over UP RR Amtrak Frady Ln	1956	28,000	Good
US Highway 101 SB over Wadsworth Ave	1960	28,000	Good
State Route 46 over Salinas River River Rd	1992	27,100	Fair
US Highway 101 NB over SR 46 (@pm 21.96)	1966	27,000	Fair
US Highway 101 NB over Willow Road	2012	27,000	Fair
US Highway 101 SB over SR 46 (@pm 21.96)	1966	27,000	Good
US Highway 101 SB over Willow Road	2012	27,000	Fair
Madonna Rd over Prefumo Creek	1958	26,985	Fair
US Highway 101 NB over Bridge St-s101 on Ramp	1959	25,500	Good
US Highway 101 NB over Los Berros Creek	1932	25,500	Good
US Highway 101 NB over Los Berros Road	1970	25,500	Good
US Highway 101 NB over St Rte 166 (@pm 8.93)	1962	25,500	Fair
US Highway 101 SB over Los Berros Creek	1956	25,500	Good
US Highway 101 SB over Los Berros Road	1970	25,500	Good
US Highway 101 SB over St Rte 166 (@pm 8.93)	1962	25,500	Fair
State Route 1 over Stenner Creek	1920	25,000	Fair
Broad St over E Fk San Luis Obispo Crk	1978	24,700	Fair
State Route 1 over Baywood Park Road	1959	24,000	Good
State Route 1 over Main Street	1962	24,000	Good
State Route 1 over Morro Creek	1962	24,000	Good
State Route 1 over SR 41 (@pm 0.01)	1962	24,000	Good
US Highway 101 NB over Arroyo Grande Creek	1959	24,000	Good
US Highway 101 SB over Arroyo Grande Creek	1959	24,000	Good
Broad St over Acacia Creek	1968	22,100	Fair
Madonna Rd over US Hwy 101 (@pm 27.50)	1963	22,000	Good
US Highway 101 NB over Santa Margarita Creek	1996	21,000	Good
US Highway 101 SB over Santa Margarita Creek	1956	21,000	Poor
El Camino Real over Atascadero Creek	1915	20,000	Good
Oso Valley Rd over San Luis Obispo Creek	1987	19,452	Good
State Route 1 over Kern Ave Chorro Creek	1942	19,000	Fair
State Route 1 over San Bernardo Creek	1948	18,700	Good
State Route 1 over San Luisito Creek	1959	18,700	Good
California Blvd over San Luis Obispo Creek	1935	16,437	Fair
Grand Ave over US Hwy 101 (@pm 13.17)	1959	16,200	Good
Los Osos Valley Rd over Los Osos Creek	1991	16,105	Good
State Route 46 over Dry Creek	1954	16,100	Good
13TH St over US Highway 101	1958	16,000	Good
24TH St over UP RR & Amtrak	1959	15,682	Fair
South Bay Blvd over Los Osos Creek	1966	15,232	Fair
State Route 46 over Mcmillan Canyon Creek	2016	15,100	Good
13TH St over Salinas River	1966	15,000	Fair
US Highway 101 NB over St Rte 46 (@pm 29.76)	1992	15,000	Good
US Highway 101 SB over St Rte 46 (@pm 29.76)	1992	15,000	Good
State Route 46 over Cholame Creek	1954	14,800	Good
Buena Vista Ave over US Highway 101	1953	14,518	Good
Hinds Ave over US Highway 101	1960	13,500	Good
US Highway 101 NB over San Marcos Creek	2020	13,250	Good
US Highway 101 SB over San Marcos Creek	2020	13,250	Good
State Route 227 over UP RR & Amtrak	1978	12,900	Good
Marsh Street over San Luis Obispo Creek	1948	12,273	Fair
Los Osos Valley Rd over US Highway 101	1961	11,875	Good
State Route 227 over West Corral De Piedra CR	1971	11,500	Good
US Highway 101 NB over UP RR Amtrak Spring St	1958	11,500	Good
US Highway 101 SB over UP RR Amtrak Spring St	1958	11,500	Good
Johnson Ave over San Luis Obispo Creek	1957	11,435	Good
Los Osos Valley Rd over US Highway 101	2015	11,415	Fair
State Route 41 46 over Cholame Creek	2023	11,200	Good
State Route 41 46 over Cholame Creek	2024	11,200	Good
California Blvd over US Highway 101	1954	10,561	Fair
State Route 1 over Villa Creek	1962	10,300	Good
US Highway 101 NB over Mission St-s101 on Ramp	1957	10,300	Good
US Highway 101 SB over Mission St-s101 on Ramp	2020	10,300	Good
El Camino Real over E Bra Atascadero Crk	1965	10,200	Good
W Tefft Street over East Branch Nipomo Creek	2009	9,800	Good
State Route 41 over Atascadero Creek	1990	9,700	Good
State Route 41 over Atascadero Creek	1990	9,700	Fair
State Route 41 over Atascadero Creek	1990	9,700	Good
Traffic Way over Arroyo Grande Creek	1932	9,600	Fair
State Route 1 over Villa Creek	1947	9,500	Fair
Marsh Street over San Luis Obispo Creek	2021	9,463	Fair
State Route 1 over Old Creek Road	1965	9,000	Good
US Highway 101 NB over UP RR & Amtrak Mission	1965	9,000	Good
US Highway 101 SB over UP RR & Amtrak Mission	1965	9,000	Good
Fair Oaks Blvd over Arroyo Grande Creek	1977	8,945	Fair
Tank Farm Rd over Tank Farm Ditch	1988	8,803	Good
Highland Dr over Brizzolara Creek	1972	8,800	Good
Highland Dr over Stenner Creek	1972	8,800	Fair
W Tefft St over Nipomo Creek	1975	8,796	Good
US Highway 101 NB over S101-mission St Off-ramp	1957	8,750	Good
US Highway 101 NB over Tenth Street	1957	8,750	Good
US Highway 101 SB over S101-mission St Off-ramp	1965	8,750	Good
US Highway 101 SB over Tenth Street	1957	8,750	Good
Foothill Road over Laguna Creek	1959	8,654	Fair
Main St over Morro Creek	1921	8,500	Fair
Morro Bay Blvd over State Route 1	1962	8,433	Good
Price St-s101 Onrp over Pismo Creek	1956	8,400	Good
State Route 46 EB over Huer Huero Creek	1992	8,050	Good
State Route 46 WB over Huer Huero Creek	1992	8,050	Good
Tefft St over US Highway 101	1996	8,000	Good
Higuera Street over San Luis Obispo Creek	1918	7,907	Good
State Route 1 over Cayucos Creek & Road	1965	7,800	Good
S Chorro St over Stenner Creek	1935	7,735	Fair
State Route 46 EB over Cholame Creek	2018	7,550	Good
State Route 46 WB over Cholame Creek	2018	7,550	Good
San Luis Bay Drive over San Luis Obispo Creek	1964	7,475	Good
Avila Beach Dr over San Luis Obispo Creek	1967	7,434	Good
State Route 1 over UP RR & Amtrak	1964	7,400	Good
State Route 1 over Old Creek	2023	7,300	Good
State Route 1 over Toro Creek	2023	7,300	Good
State Route 41 over Stadium Park	2000	7,300	Good
State Route 58 over US Hwy 101 (@pm 37.86)	1956	7,200	Fair
State Route 58 over Yerba Buena Creek	1954	7,200	Fair
Fair Oaks Ave over US Highway 101	1959	7,000	Fair
N101-e46 Connector over Salinas River	1992	7,000	Good
Santa Rosa St over San Luis Obispo Creek	2000	6,976	Fair
W46-n101 Connector over Salinas River	1992	6,840	Good
Main St over North Fork Templeton Crk	1929	6,836	Good
Main St over Templeton Creek	1929	6,836	Good
San Luis Bay Dr over See Canyon Creek	1940	6,830	Good
Main Street over US Highway 101	1966	6,800	Good
State Route 41 over Salinas R UP RR Sycamore	2000	6,800	Fair
Prado Rd over San Luis Obispo Creek	1957	6,796	Poor
Hutton Road over Nipomo Creek	1957	6,688	Fair
Vineyard Dr over US Highway 101	1967	6,600	Good
S101-los Osos Offr over Perfuma Creek	1962	6,508	Good
State Route 46 EB over Estrella Rd Estrella Riv	2012	6,500	Good
State Route 46 WB over Estrella Rd Estrella Riv	2012	6,500	Good
San Luis Bay Dr over US Highway 101	1963	6,321	Good
State Route 1 SB over Old Creek	1961	6,250	Good
State Route 1 SB over Toro Creek	1962	6,250	Poor
State Route 1 over Arroyo Grande Creek	1956	6,200	Good
State Route 1 over Los Berros Creek	1952	6,200	Fair
Price Canyon Road over UP RR & Amtrak	1963	6,003	Fair
Price Cyn Rd over W Br Corral De Piedra CR	1963	6,003	Fair
State Route 1 over Santa Rosa Creek	1963	6,000	Good
State Route 1 over Santa Rosa Creek	2008	6,000	Poor
Nb101-price St Off over Pismo Creek	1960	5,900	Good
Thompson Rd over Deleissigues Creek	1916	5,834	Good
State Route 227 over East Corral De Piedra CR	1978	5,650	Fair
Mason St over Arroyo Grande Creek	1926	5,546	Fair
Chorro St over San Luis Obispo Creek	1923	5,400	Fair
State Route 1 over Little Pico Creek	1991	5,300	Good
State Route 1 over Pico Creek	1997	5,300	Fair
State Route 1 over San Simeon Creek	1984	5,300	Fair
Valley Rd over Los Berros Crk Div Chnl	1962	5,167	Fair
Pier Ave over Oceano Beach Lagoon	1994	5,037	Fair
Union Rd over Huer Huero Creek	1994	5,032	Fair
Foothill Blvd over Stenner Creek	2005	5,000	Good
State Route 1 over Santa Maria River	1955	5,000	Poor
Village Drive over Brizzolara Creek	2006	5,000	Good
Nacimiento Lake Dr over San Marcos Creek	1964	4,973	Fair
Higuera St over San Luis Obispo Creek	1928	4,927	Fair
Buckley Rd over E Br San Luis Obispo Crk	1915	4,717	Fair
State Route 46 over Jack Creek (pso Rbls CR)	1969	4,600	Good
Broad St over Stenner Creek	1909	4,496	Fair
W41-s1 Connector over Morro Creek	1962	4,400	Fair
Buckley Rd over E Br San Luis Obispo Crk	1978	4,396	Fair
Buckley Road over E Br San Luis Obispo Crk	1956	4,396	Good
Nipomo St over San Luis Obispo Creek	1994	4,371	Good
Burton Rd over Santa Rosa Creek	1968	4,125	Fair
Vineyard Dr over Salinas River	1977	4,119	Fair
Bridge Street over Arroyo Grande Creek	2021	4,000	Good
Del Rio Road over US Highway 101	1967	4,000	Fair
San Anselmo Rd over US Highway 101	1966	4,000	Good
Fourth Street over US Highway 101	1998	3,800	Good
Oak Park Blvd over US Highway 101	1993	3,800	Good
State Route 46 over Branch Green Valley Crk	1974	3,700	Fair
State Route 46 over Green Valley Creek	1974	3,700	Good
State Route 46 over Perry Creek	1974	3,700	Good
State Route 227 over East Fork Pismo Creek	1966	3,550	Good
Main Street over Santa Rosa Creek	2014	3,509	Good
Atascadero Ave over Atascadero Creek	1958	3,500	Fair
Del Rio Rd over Graves Creek	1957	3,500	Fair
Portola Rd over Atascadero Creek	1950	3,500	Fair
Windsor Blvd over Santa Rosa Creek	1963	3,416	Good
State Route 227 over Corbett Canyon Creek	1914	3,350	Good
Mill Street over UP RR & Amtrak	1978	3,276	Good
Curbaril Ave over US Highway 101	1962	3,200	Good
N1-e41 Connector over Morro Creek	1962	3,200	Fair
Broad St over San Luis Obispo Creek	1911	3,000	Fair
Calle Joaquin over Prefumo Creek	1970	3,000	Fair
Morro St over San Luis Obispo Creek	1925	3,000	Good
State Route 1 over Arroyo De La Cruz	1968	3,000	Fair
State Route 1 over Arroyo Del Corral	2017	3,000	Good
State Route 1 over Arroyo Del Oso	2017	3,000	Good
State Route 1 over Oceanside Bluff	2003	3,000	Good
State Route 1 over San Carpoforo Creek	1956	3,000	Fair
State Route 166 over Carrizo Creek	1941	2,900	Fair
State Route 166 over Cuyama River	1980	2,900	Good
State Route 166 over Gifford Creek	2013	2,900	Fair
State Route 166 over Red Rock Canyon Creek	1993	2,900	Fair
State Route 58 over Trout Creek	2021	2,900	Good
State Route 1 over Hillside	2020	2,750	Good
Lopez Dr over Lopez Lake Spillway	1968	2,728	Fair
Hospital Drive over Atascadero Creek	1921	2,700	Fair
State Route 166 over Alamo Creek	1959	2,600	Good
State Route 166 over Cuyama River	1959	2,600	Fair
State Route 166 over Huasna River	1959	2,600	Fair
Nipomo St over Stenner Creek	1922	2,549	Fair
Via Avenue over Atascadero Creek	2023	2,500	Good
Orcutt Road over West Corral De Piedra CR	1949	2,438	Fair
San Andres Ave over Atascadero Creek	1993	2,275	Fair
Orcutt Road over E Fk San Luis Obispo Ck	1996	2,200	Good
State Route 1 over Arroyo De Los Playanos	2017	2,200	Good
State Route 1 over Arroyo Laguna	1968	2,200	Fair
State Route 41 over Estrella River	1996	2,086	Fair
State Route 41 over Mcmillan Canyon Creek	1996	2,086	Fair
Geneseo Road over Huer Huero Creek	2019	2,000	Good
Santa Barbara Rd over US Highway 101	1962	2,000	Fair
Lopez Dr over Lopez Lake	1968	1,857	Fair
State Route 58 over Salinas River	1996	1,850	Good
Pecho Valley Rd over Islay Creek	1974	1,790	Good
Nacimiento Lake Dr over Lake Nacimiento Dam Spwy	1956	1,772	Fair
Sycamore Rd over Atascadero Creek	1990	1,750	Fair
Creston Rd over Huer Huero Creek	1960	1,731	Good
Monterey Rd over Graves Creek	1993	1,669	Fair
Toro St over San Luis Obispo Creek	1989	1,669	Good
Ontario Road over San Luis Obispo Creek	1994	1,620	Good
Linne Rd over Huer Huero Creek	1996	1,568	Good
Ferrocarril Rd over Graves Creek	2005	1,500	Good
Hollister Road over Chorro Creek	2010	1,500	Fair
Mallagh Street over East Branch Nipomo Creek	2007	1,500	Good
Santa Lucia Road over Graves Creek	2023	1,500	Good
South Bay Blvd over Chorro Creek	1997	1,500	Fair
Corbett Canyon Rd over Quien Sabe Creek	1938	1,433	Fair
State Route 41 over W Branch Huer Huero Crk	1975	1,400	Fair
Davenport Creek Rd over Davenport Creek	1959	1,373	Fair
Encina Ave over Yerba Buena Creek	1984	1,365	Fair
Santa Fe Road over Br San Luis Obispo Creek	1920	1,311	Fair
Cayucos Dr over State Route 1	1965	1,300	Fair
Hog Canyon Rd over Hog Canyon Creek	1960	1,267	Fair
Airport Rd over Dry Creek	1968	1,260	Fair
Branch Mill Road over Tar Spring Creek	2015	1,240	Good
Santa Rosa CR Rd over Rocky Creek	1948	1,204	Good
River Rd over Huer Huero Creek	1965	1,198	Poor
River Road over Huer Huero Creek	1950	1,198	Poor
El Campo Rd over Los Berros Creek	1956	1,161	Fair
Pozo Road over Rinconada Creek	1959	1,112	Good
Poinsettia Street over E Fk San Luis Obispo Crk	1986	1,100	Good
Fuller Road over E Fk San Luis Obispo Ck	2000	1,050	Fair
Ocean Blvd over Willow Creek	1925	1,044	Good
Elks Lane over San Luis Obispo Creek	1996	1,043	Fair
Bello Street over Pismo Creek	2022	1,000	Good
East Tefft Street over East Branch Nipomo Creek	2009	1,000	Good
Morretti Canyon Rd over Piedra Villa Creek	2015	1,000	Good
Murray St over Stenner Creek	1951	1,000	Fair
San Ramon Road over US Highway 101	1967	1,000	Poor
Willow Road over Nipomo Creek	2012	1,000	Good
Huasna Rd over Arroyo Grande Creek	1923	966	Poor
State Route 58 over Fernandez Creek	1984	925	Fair
State Route 58 over Indian Creek	1953	925	Good
State Route 58 over Cammatti Creek	1984	825	Fair
State Route 58 over East Fork Huer Huero Crk	1951	825	Fair
Union Road over Dry Creek	2000	801	Fair
San Gabriel Rd over Atascadero Creek	1969	800	Fair
Pozo Rd over Salinas River	1989	787	Good
Pozo Road over Dry Creek	1941	787	Fair
Pozo Road over Pozo Creek	1970	787	Good
Centre Street over San Juan Creek	1941	750	Fair
State Route 41 over Shedd Canyon	1979	750	Good
State Route 58 over Midle Fork Huer Huero CR	2008	720	Good
State Route 41 over Huer Huero Creek	1962	700	Fair
San Simeon Crk Rd over San Simeon Creek	1964	670	Good
22ND Street over Arroyo Grande Creek	1985	663	Fair
Ranchita Canyon Rd over Ranchita Creek	1996	655	Fair
Ranchita Canyon Rd over Ranchita Creek	1997	655	Good
Ranchita Canyon Rd over Ranchita Creek	1997	655	Fair
Ranchita Canyon Rd over Ranchita Creek	1997	655	Fair
Ash St over Little Cayucos Creek	1990	638	Fair
Ocean Blvd over Cayucos Creek	1951	635	Fair
Indian Valley Rd over Vineyard Creek	1980	631	Good
Air Park Drive over Oceano Beach Lagoon	2018	600	Good
Ormonde Rd over Pismo Creek	1978	590	Good
Santa Rosa Road over US Highway 101	1956	560	Fair
Snta Rita Old Ck R over Paso Robles Creek	1971	538	Good
Odonovan Rd over E Branch Huer Huero Crk	1942	535	Good
Estrella Rd over Ranchita Canyon Creek	1940	529	Good
Las Pilitas Rd over Salinas River	2006	500	Fair
Lewis Ave over Atascadero Creek	2007	500	Good
Moonstone Beach Dr over Leffingwell Creek	2011	500	Fair
River Road over Salinas River	2005	500	Fair
San Luis Bay Dr over San Luis Obispo Creek	2009	500	Fair
San Simeon Crk Rd over San Simeon Creek	2011	500	Good
Via Carta over Brizzolara Creek	1949	500	Fair
Viejo Camino over Paloma Creek	1976	500	Fair
Viejo Camino over West Branch Paloma Creek	1959	500	Fair
State Route 58 over Navajo Creek	1984	495	Fair
Hi Mountain Rd over Saucelito Creek	1966	487	Fair
El Camino Real over UP RR & Amtrak	2005	450	Good
State Route 58 over San Juan Creek	1985	440	Good
Turri Rd over N Br Los Osos Creek	2007	414	Fair
Huasna Rd over Huasna River	1940	401	Poor
Huasna Rd over West Branch Huasna Creek	1930	401	Fair
Huasna Townsite Rd over Huasna River	2023	380	Good
Asuncion Road over Trout Creek	1969	371	Poor
Linden Ave over Santa Margarita Creek	1955	341	Fair
Beachcomber Dr over Beach Creek	1925	339	Fair
Upper Los Berros R over Los Berros Creek	2000	328	Good
Prefumo Canyon Rd over Prefumo Canyon Creek	1969	300	Fair
Prefumo Canyon Rd over Prefumo Canyon Creek	1969	300	Good
Prefumo Canyon Rd over Prefumo Canyon Creek	1974	300	Fair
Prefumo Canyon Rd over Prefumo Canyon Creek	1974	300	Fair
Spanish Oaks Drive over E Fk San Luis Obispo Ck	1996	300	Good
Huasna Townsite Rd over Huasna River	1965	288	Poor
Cayucos CR Rd over Cayucos Creek	1928	276	Fair
Walnut Ave over Santa Margarita Creek	1940	271	Poor
Las Pilitas Rd over Pilitas Creek	1930	262	Good
Toro Creek Rd over Toro Creek	1950	262	Fair
Lakeview Dr over Las Tablas Creek	1959	260	Good
Century Lane over Los Berros Creek	1996	250	Good
Garcia Road over Graves Creek	2007	250	Fair
San Simeon Crk Rd over San Simeon Creek	2012	250	Fair
Estrella Road over Estrella River	1978	249	Fair
Snta Rta Old CR Rd over Old Creek	1940	249	Poor
Toro Creek Rd over Toro Creek	1951	247	Poor
Toro Creek Road over Toro Creek	1998	247	Fair
Tassajara CR Rd over Santa Margarita Creek	1940	228	Fair
Tassajara Rd over Tassajara Creek	1960	228	Fair
Soda Lake Rd over Drainage Channel	1987	202	Fair
Cypress Mountain over Branch Las Tablas Creek	1996	200	Fair
Monte Rd over Squire Creek	1958	200	Fair
Las Pilitas Rd over Pilitas Creek	1930	189	Good
Parkhill Rd over Pozo Creek	1956	170	Fair
Jack Creek Rd over Paso Robles Creek	1938	151	Poor
Atascadero Road over Eagle Creek	2005	150	Good
Canet Road over Chorro Creek	2000	150	Good
Ferrasci Road over Santa Rosa Creek	2011	150	Good
Larkspur Lane over E Fk San Luis Obispo Ck	1987	150	Good
Poinsettia Street over E Fk San Luis Obispo Ck	1990	150	Good
Stenner Creek Rd over Stenner Creek	1959	150	Fair
Stenner Creek Rd over Stenner Creek	1970	150	Fair
Cholame Valley Rd over Cholame Creek	1948	130	Fair
Santa Rosa CR Rd over Santa Rosa Creek	1947	128	Good
Bitterwater Road over Cholame Creek	1979	112	Fair
Cypress Mt Dr over Klau Creek	2017	109	Good
Adobe Road over San Luisito Creek	1948	101	Good
Chimney Rock Road over Franklin Creek	2023	100	Good
Co. Rd. M4296 over W Branch of Cayucos Crk	1960	100	Fair
Cottontail CR Rd over Cottontail Creek	1940	100	Fair
H Street over Yerba Buena Creek	1948	100	Good
I Street over Yerba Buena Creek	1950	100	Good
Lakeside Ave over Oceano Beach Lagoon	1940	100	Fair
Odonovan Road over Huer Huero Creek	1999	100	Fair
Old State Route 46 over Estrella River	2013	100	Fair
Picachio Road over Cayucos Creek	2007	100	Good
Reservoir Canyn Rd over San Luis Obispo Creek	1998	100	Good
River Grove Dr over Estrella River	1910	100	Good
River Rd over Toro Creek	1986	100	Good
San Luisito Rd over San Luisito Creek	1957	100	Fair
Slo-san Simeon Rd over Hearst Ranch Creek	1916	100	Fair
Tally Farms Road over Arroyo Grande Creek	1964	100	Fair
Villa Creek Rd over Villa Creek	1957	100	Fair
Klau Mine Rd over Las Tablas Creek	1940	93	Fair
Jespersen Rd over E Br San Luis Obispo Crk	1959	80	Fair
Equipment Shop Rd over Stenner Creek	1947	50	Fair
Green Valley Rd over N Br Green Valley Creek	1958	50	Fair
Hi Mountain Rd over Arroyo Grande Creek	1965	50	Fair
Norte Rd over Bra Santa Margarita Crk	1956	50	Fair
Washburn Campgroun over Washburn Campground	1984	50	Good
Bianchi Lane over San Luis Obispo Creek	1905	30	Poor
Negranti Rd over Toro Creek	1965	30	Fair
Pippen Lane over See Canyon Creek	1950	30	Fair
State Park Rd over San Simeon Creek Trib	1950	30	Fair
Cypress Mt Dr over Branch of Las Tablas Crk	1950	25	Fair
Cypress Mt Dr over Klau Creek	1953	25	Fair
Quailwood Lane over Los Berros Creek	1932	10	Good

Source: FHWA National Bridge Inventory, 2025.

San Luis Obispo County bridge conditions · California bridges by county.

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