Sonoma County, California bridges (page 2 of 4)
Sonoma County has 611 bridges and culverts in the National Bridge Inventory, the oldest built in 1900. 32 (5%) are rated poor. The most common type is slab (26%).
All bridges in Sonoma County
Busiest first · showing 201–400 of 611| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| River RD over Mark West Creek No. 20C0157 | 11.2 MI W of SR 116 | 1958 | Tee Beam | 234 ft | 8,000 | Poor |
| E12-N101 Connector over SR 12 & US 101 No. 20 0207G | 04-SON-012-R15.99-SRO | 1964 | Box Beam or Girders - Multiple | 825 ft | 7,800 | Fair |
| Country Club DR over Copeland Creek No. 20C0464 | 0.4 MI S Rnpk Exprsswy | 1973 | Culvert | 62 ft | 7,700 | Fair |
| Payran ST over Petaluma River No. 20C0509 | 0.3 MI E/O Petaluma Bl | 1997 | Stringer/Multi-beam or Girder | 157 ft | 7,575 | Fair |
| Baker Avenue over U.S. Highway 101 No. 20 0173 | 04-SON-101-19.00 | 1957 | Box Beam or Girders - Multiple | 246 ft | 7,500 | Fair |
| Porter Creek Road over Porter Creek No. 20C0572 | 7.1 MI NE Mark West & 101 | 2014 | Stringer/Multi-beam or Girder | 160 ft | 7,300 | Good |
| Bodega Highway over Jonive Creek 1 No. 20C0134 | 7.3 MI from Int W/ SR 1 | 1922 | Tee Beam | 26 ft | 7,000 | Good |
| Coffey LN over Pauline Creek No. 20C0183 | Coffey LN | 1960 | Culvert | 22 ft | 7,000 | Good |
| Country Club Drive over Hinebaugh Creek No. 20C0468L | 0.1 MI N Rohnert Pk Expwy | 1973 | Culvert | 48 ft | 7,000 | Fair |
| Country Club Drive over Hinebaugh Creek No. 20C0468R | 0.1 MI N Rohnert Pk Expwy | 1973 | Culvert | 48 ft | 7,000 | Fair |
| US Highway 101 SB over Citrus Fair Drive No. 20 0251L | 04-SON-101-R51.62-CLVD | 1994 | Box Beam or Girders - Multiple | 160 ft | 6,800 | Fair |
| US Highway 101 NB over Citrus Fair Drive No. 20 0251R | 04-SON-101-R51.62-CLVD | 1994 | Box Beam or Girders - Multiple | 162 ft | 6,800 | Fair |
| US Highway 101 NB over First ST & Cloverdale CR No. 20 0252R | 04-SON-101-R52.06-CLVD | 1994 | Box Beam or Girders - Multiple | 259 ft | 6,800 | Poor |
| Bodega Highway over Jonive Creek No. 20C0131 | 7.5 MI E/O SR 1 | 1922 | Tee Beam | 26 ft | 6,700 | Good |
| Corona RD over U.S. Highway 101 No. 20 0160 | 04-SON-101-6.83-PET | 1955 | Box Beam or Girders - Multiple | 351 ft | 6,500 | Fair |
| NB101-ROBERTS Lake over N Br Laguna De Santa Rsa No. 20 0274S | 04-SON-101-15.52 | 2002 | Slab | 43 ft | 6,500 | Fair |
| Bodega HWY over Nolan Creek No. 20C0132 | 1.2 MI NE Intx SR 1 | 1955 | Culvert | 35 ft | 6,400 | Fair |
| Bodega HWY over Salmon Creek No. 20C0133 | At Valley Ford-Freestn RD | 1968 | Slab | 76 ft | 6,400 | Good |
| State Route 1 over Cheney Gulch No. 20 0189 | 04-SON-001-9.16 | 1956 | Culvert | 22 ft | 6,300 | Fair |
| S101-W12 Connector over Olive Street No. 20 0205F | 04-SON-101-19.82-SRO | 1964 | Box Beam or Girders - Multiple | 151 ft | 6,300 | Fair |
| Arnold DR over Sonoma CR (glen Ellen) No. 20C0012 | London Ranch RD | 1939 | Tee Beam | 150 ft | 6,300 | Good |
| S Ely RD over Adobe Creek No. 20C0482 | 0.1 MI SE Casa Grande Ave | 1984 | Slab | 50 ft | 6,145 | Good |
| Westside Road over Dry Creek No. 20C0040 | 0.5 MI West of US 101 | 1934 | Truss - Thru | 330 ft | 6,100 | Fair |
| Westside RD over Norton Slough No. 20C0061 | W of SR 101 at Healdsbrg | 1960 | Slab | 82 ft | 6,100 | Fair |
| Fulton Road over U.S. Highway 101 No. 20 0200 | 04-SON-101-25.90 | 1962 | Box Beam or Girders - Multiple | 328 ft | 6,000 | Fair |
| Old Redwood HWY N over US Highway 101 No. 20 0291 | 04-SON-101-7.65-PET | 2014 | Stringer/Multi-beam or Girder | 262 ft | 6,000 | Fair |
| Calistoga RD over Weeks Creek No. 20C0123 | At St. Helena RD | 1953 | Culvert | 25 ft | 6,000 | Fair |
| Steele Lane over Pauline Creek No. 20C0184 | Steele Lane | 1960 | Culvert | 33 ft | 6,000 | Fair |
| Hahman DR over Spring Creek No. 20C0194 | 0.1 M South Spring Creek | 1960 | Culvert | 23 ft | 6,000 | Good |
| Leveroni RD over Carriger Creek No. 20C0209 | 1.05 MI W of SR 12 | 1972 | Slab | 83 ft | 6,000 | Fair |
| Leveroni RD over Felder Creek No. 20C0210 | 1.45 MI W of SR 12 | 1972 | Culvert | 25 ft | 6,000 | Good |
| Bethards Drive over Matanzas Creek No. 20C0484 | Bet Techevah & Yulupa Av | 1966 | Culvert | 21 ft | 6,000 | Fair |
| Old Redwood HWY over Sotoyome Creek No. 20C0089 | 0.7 MI SE Eastside RD | 1913 | Tee Beam | 23 ft | 5,900 | Fair |
| Piner Road over Piner Creek No. 20C0180 | In Santa Rosa | 1960 | Slab | 46 ft | 5,900 | Fair |
| Windsor Road over Pool Creek No. 20C0337 | 0.2 MI N of Shiloh RD | 1967 | Slab | 87 ft | 5,900 | Poor |
| Porter Creek Road over Porter Creek No. 20C0119 | 24.3 MI Beging RTE 786 | 1960 | Culvert | 44 ft | 5,800 | Fair |
| Calistoga RD over Humbug Creek No. 20C0121 | 4.9 MI N/O SR 12 | 1935 | Slab | 25 ft | 5,800 | Fair |
| Calistoga RD over Mark West Creek No. 20C0122 | 4.2 MI N Intersectn SR 12 | 1967 | Slab | 147 ft | 5,800 | Fair |
| Bennett Valley RD over Matanzas Creek No. 20C0220 | 7.7 MI W Warm Springs RD | 1929 | Tee Beam | 53 ft | 5,800 | Good |
| Cloverdale Blvd over Cloverdale Creek No. 20C0512 | 0.8 Mi. N of 1st ST | 2000 | Slab | 43 ft | 5,700 | Fair |
| Lakeville Street over Petaluma River No. 20C0514 | On Lakeville Street | 1998 | Slab | 107 ft | 5,520 | Fair |
| Conde Lane over Windsor Creek No. 20C0506 | 320 Ft East of Bell Ave | 1995 | Arch - Deck | 26 ft | 5,400 | Fair |
| State Route 1 over Scotty Creek No. 20 0303 | 04-SON-001-15.21 | 2023 | Box Beam or Girders - Multiple | 852 ft | 5,200 | Good |
| State Route 116 over Austin Creek No. 20 0012 | 04-SON-116-4.93 | 1962 | Box Beam or Girders - Multiple | 380 ft | 5,175 | Fair |
| State Route 116 over Russian River No. 20 0256 | 04-SON-116-R5.73 | 1976 | Slab | 917 ft | 5,175 | Good |
| Occidental RD over Atascadero Creek No. 20C0380 | 1.12 MI W S.R. 116 | 1971 | Slab | 211 ft | 5,100 | Fair |
| Hearn Avenue over U.S. Highway 101 & Ramps No. 20 0176 | 04-SON-101-18.49 | 1957 | Box Beam or Girders - Multiple | 232 ft | 5,000 | Fair |
| Airport Blvd over US Highway 101 No. 20 0297 | 04-SON-101-26.30 | 2014 | Box Beam or Girders - Multiple | 330 ft | 5,000 | Fair |
| Madrone RD over Sonoma Creek No. 20C0011 | 0.3 MI E of Arnold DR | 1956 | Tee Beam | 161 ft | 5,000 | Fair |
| Santa Rosa Ave over N Bra Lag De Santa Rosa No. 20C0063 | Near Santa Rosa Ave. | 1918 | Slab | 43 ft | 5,000 | Fair |
| A Street over Santa Rosa Creek No. 20C0168 | Betwn Sonoma Ave First ST | 1987 | Tee Beam | 102 ft | 5,000 | Fair |
| Windsor Road over Windsor Creek No. 20C0540 | At Vintage Greens Road | 2005 | Slab | 69 ft | 5,000 | Good |
| Corona RD over Petaluma River No. 20C0299 | N of Petaluma Blvd | 1977 | Slab | 138 ft | 4,800 | Good |
| Boyes Blvd over Sonoma Creek No. 20C0593 | Just East of Riverside DR | 2022 | Stringer/Multi-beam or Girder | 94 ft | 4,600 | Good |
| Calistoga Road over Porter Creek No. 20C0120 | 7.2 MI Intrx With SR 12 | 1950 | Culvert | 28 ft | 4,400 | Fair |
| Agua Caliente RD over Sonoma Creek No. 20C0010 | 0.4 MI W HWY 12 | 1954 | Stringer/Multi-beam or Girder | 153 ft | 4,300 | Fair |
| State Route 1 over Pocolimi Creek No. 20 0186 | 04-SON-001-0.33 | 1960 | Culvert | 22 ft | 4,200 | Fair |
| Petaluma Blvd N over Petaluma River No. 20C0056L | 0.2 MI S JCT US 101 | 1925 | Tee Beam | 114 ft | 4,200 | Good |
| Petaluma Blvd N over Petaluma River No. 20C0056R | 0.2 MI S JCT US 101 | 1940 | Slab | 126 ft | 4,200 | Fair |
| Todd RD over Colgan Creek Flood Cont No. 20C0201 | 0.1 MI W/O Stony Pt. Rd. | 1970 | Slab | 62 ft | 4,100 | Fair |
| Montgomery DR over Santa Rosa Creek Rsevr No. 20C0178 | 0.1 M N Montgomery DR | 1950 | Slab | 91 ft | 4,000 | Fair |
| Watmaugh Road over Rodgers Creek No. 20C0256 | 0.3 MI W Arnold | 1960 | Culvert | 25 ft | 4,000 | Fair |
| Redwood Road over Hinebaugh Creek No. 20C0466 | 0.3 MI N Rohnert Pk Expwy | 1970 | Culvert | 65 ft | 4,000 | Fair |
| Armstrong Woods RD over Redwood Creek No. 20C0364 | Just N/O Swtwtr Spngs RD | 1959 | Slab | 26 ft | 3,800 | Good |
| Arnold DR over Stewart Creek No. 20C0471 | 0.4 MI S JCT SR 12 | 1928 | Tee Beam | 32 ft | 3,700 | Fair |
| Watmaugh Road over Sonoma Creek No. 20C0017 | 0.3 MI West of SR 12 | 1929 | Truss - Thru | 170 ft | 3,628 | Fair |
| IRR BIA Route 93 over Russian River Tributary No. 0000J51515T093A | 0.6KM NE of Ca 128 | 2010 | Culvert | 26 ft | 3,500 | Good |
| Ely RD over Willow Brook No. 20C0038 | 0.1 MI SE Old Rdwd HWY N | 1959 | Slab | 73 ft | 3,500 | Fair |
| Pepper RD over Stemple Creek No. 20C0288 | 4 MI W of US 101 | 1970 | Culvert | 23 ft | 3,500 | Fair |
| Pepper RD over Stemple Creek No. 20C0289 | 1.2 MI N of Bodega Ave | 1968 | Slab | 92 ft | 3,500 | Fair |
| Graton RD over Atascadero Creek No. 20C0136 | 0.9 MI W SH 116 | 1967 | Slab | 82 ft | 3,409 | Fair |
| S101-WASHINGTON over Washington Street Creek No. 20 0164K | 04-SON-101-4.80-PET | 1955 | Tee Beam | 120 ft | 3,400 | Fair |
| Mountain Hawk Way over Sky Hawk Creek No. 20C0526 | 0.2 MI N/O SR 12 | 1995 | Arch - Deck | 36 ft | 3,320 | Good |
| Mountain Hawk Way over Sky Hawk Creek No. 20C0555 | E of San Ramon Way | 1995 | Arch - Deck | 85 ft | 3,320 | Good |
| Alexander Valley R over Russian River - Jimtown No. 20C0006 | North of Healdsburg | 1949 | Truss - Thru | 1,384 ft | 3,300 | Fair |
| Watmaugh Road over Fowler Creek No. 20C0257 | 0.3 MI E Arnold | 1920 | Slab | 53 ft | 3,300 | Fair |
| Mecham RD over Stemple Creek No. 20C0287 | S of 9th ST | 1970 | Culvert | 29 ft | 3,300 | Fair |
| Grange Road over Matanzas Creek No. 20C0533 | .1MI S Bennett Valley RD | 2005 | Box Beam or Girders - Multiple | 149 ft | 3,250 | Good |
| Slusser RD over Mark West Creek No. 20C0007 | 0.2 MI N of River RD | 1986 | Box Beam or Girders - Multiple | 135 ft | 3,242 | Fair |
| Crocker RD over Russian River No. 20C0002 | 0.6 MI N/E of S.R. 101 | 1938 | Truss - Thru | 530 ft | 3,200 | Fair |
| Westside Road over Foreman Lane No. 20C0070 | Over Forman Lane | 1961 | Slab | 113 ft | 3,200 | Fair |
| Westside Road over Mill Creek No. 20C0071 | 0.2 MI N Foreman Lane | 1961 | Tee Beam | 115 ft | 3,200 | Good |
| Rainsville Road over Willow Brk (petaluma Rv) No. 20C0300 | 0.1 MI SW Stony Point RD | 1960 | Slab | 80 ft | 3,200 | Fair |
| Rainsville RD over Marin Creek No. 20C0301 | 0.5 MI W Stony Point RD | 1950 | Slab | 28 ft | 3,200 | Fair |
| Rainsville RD over Wiggins Creek No. 20C0302 | 0.8 MI W Stony Point RD | 1986 | Slab | 68 ft | 3,200 | Fair |
| Snyder Lane over Copeland Creek No. 20C0199 | 0.5 MI N E. Cotati Ave | 1960 | Culvert | 50 ft | 3,124 | Fair |
| Bohemian HWY over Russian River No. 20C0018 | At Monte Rio | 1934 | Truss - Thru | 772 ft | 3,100 | Fair |
| Valley Ford RD over Stemple Creek No. 20C0113 | 7.5 MI Intersection SR 1 | 1915 | Stringer/Multi-beam or Girder | 39 ft | 3,100 | Fair |
| Valley Ford RD over Gossage Creek No. 20C0114 | 6.6 MI Intersection SR 1 | 1926 | Tee Beam | 43 ft | 3,100 | Fair |
| Graton RD over Purrington Creek No. 20C0137 | 0.1 MI N/E Greenhill RD | 1970 | Stringer/Multi-beam or Girder | 92 ft | 3,100 | Fair |
| Coffey Lane over Piner Creek No. 20C0181 | 0.1 Miles S/O Piner Road | 1960 | Culvert | 26 ft | 3,100 | Fair |
| Santa Rosa AV-S101 over U.S. Highway 101 No. 20 0171K | 04-SON-101-15.53 | 1957 | Box Beam or Girders - Multiple | 159 ft | 3,000 | Fair |
| Shiloh Road over U.S. Highway 101 No. 20 0202 | 04-SON-101-27.62 | 1962 | Box Beam or Girders - Multiple | 248 ft | 3,000 | Fair |
| Redwood DR over Copeland Creek No. 20C0069 | 0.42 MI S Rohnert Pk Expy | 1956 | Slab | 32 ft | 3,000 | Fair |
| Valley Ford RD over Americano Creek No. 20C0115 | 3.6 MI E JCT SR 1 | 1985 | Slab | 73 ft | 3,000 | Fair |
| Tomales RD over Stemple Creek No. 20C0116 | 0.9 MI E County Line | 1970 | Stringer/Multi-beam or Girder | 60 ft | 3,000 | Poor |
| Corby Ave over Colgan Creek No. 20C0190 | 0.1 Mile South of Hearn | 1930 | Stringer/Multi-beam or Girder | 32 ft | 3,000 | Fair |
| Tachevah DR over Drainage Canal No. 20C0196 | 0.1 M West Neutomas Ave | 1968 | Tee Beam | 29 ft | 3,000 | Fair |
| E Cotati Ave over Flood Control Ditch No. 20C0204 | 0.1 MI NE Old Redwood HWY | 1960 | Culvert | 22 ft | 3,000 | Fair |
| Warm Springs RD over Calabazas Creek No. 20C0215 | Near Arnold DR | 1928 | Stringer/Multi-beam or Girder | 44 ft | 3,000 | Fair |
| Warm Springs RD over Sonoma Creek No. 20C0216 | 9.85 MI N of SR 116 | 1960 | Tee Beam | 101 ft | 3,000 | Fair |
| Millbrae Ave over N Br Laguna De Santa Rsa No. 20C0277 | W of Langner | 1963 | Slab | 123 ft | 3,000 | Good |
| Neeley Road over Hillside No. 20C0356 | 1.1 MI W S.H. 116 | 1930 | Stringer/Multi-beam or Girder | 200 ft | 3,000 | Fair |
| Llano Road over Roseland CR Fld Cntl Chn No. 20C0453 | 2.4 MI N JCT With SR 116 | 1970 | Culvert | 25 ft | 3,000 | Fair |
| Bicentennial Way over Fountaingrove Parkway No. 20C0487 | 0.5 MI E of RTE 101 | 1985 | Box Beam or Girders - Multiple | 186 ft | 3,000 | Fair |
| Neeley Road over Hillside No. 20C0541 | 1 MI W SR 116 | 2006 | Stringer/Multi-beam or Girder | 120 ft | 3,000 | Fair |
| Conde Lane over Pruitt Creek No. 20C0550 | 0.1 MI N of Shiloh Road | 2008 | Arch - Deck | 40 ft | 3,000 | Good |
| Natalie Drive over Windsor Creek No. 20C0577 | 200 Ft S of Jessica Drive | 1988 | Culvert | 25 ft | 3,000 | Fair |
| Bell Road over East Windsor Creek No. 20C0578 | 400 Ft NW Ofjoshua DR | 2007 | Arch - Deck | 44 ft | 3,000 | Fair |
| Golf Course Road over Pool Creek No. 20C0579 | 300 Ft N of 19th Hole DR | 1997 | Box Beam or Girders - Multiple | 113 ft | 3,000 | Fair |
| Conde Lane over Pool Creek No. 20C0580 | 0.2 MI N of Shiloh RD | 2008 | Arch - Deck | 78 ft | 3,000 | Fair |
| State Route 128 over Maacama Creek No. 20 0292 | 04-SON-128-17.25 | 2011 | Box Beam or Girders - Multiple | 205 ft | 2,900 | Fair |
| State Route 128 over Redwood Creek No. 20 0293 | 04-SON-128-21.78 | 2011 | Box Beam or Girders - Multiple | 75 ft | 2,900 | Good |
| Valley Ford RD over Bloomfield Creek No. 20C0294 | 0.2 MI W Bloomfield RD | 1970 | Slab | 33 ft | 2,900 | Good |
| Adobe RD over Lichau Creek No. 20C0309 | 0.08 MI E Old Redwood HWY | 1929 | Tee Beam | 24 ft | 2,900 | Good |
| Faught Road over Pruitt Creek No. 20C0334 | 0.3 MI N of E Shiloh RD | 1935 | Culvert | 29 ft | 2,900 | Fair |
| Stwrt Pt-Skgg Sprg over Dry Creek (board Br) No. 20C0151 | At Dam-End Dry Creek RD | 1951 | Stringer/Multi-beam or Girder | 220 ft | 2,800 | Fair |
| Dry Crk Canyon RD over Dutcher Creek No. 20C0152 | Intrx Dutcher Creek RD | 1968 | Culvert | 27 ft | 2,800 | Fair |
| Dry Creek RD over Canyon Creek No. 20C0153 | Intersection Canyon RD | 1963 | Culvert | 22 ft | 2,800 | Good |
| Dry Crk Canyon RD over Lytton Springs Creek No. 20C0154 | Intersection Lytton RD | 1935 | Culvert | 22 ft | 2,800 | Good |
| Wild Lilac Lane over Rincon Creek No. 20C0528 | Near Brush Creek Road | 2000 | Arch - Deck | 37 ft | 2,800 | Good |
| State Route 128 over Sausal Creek No. 20 0040 | 04-SON-128-12.19 | 1984 | Slab | 107 ft | 2,750 | Fair |
| State Route 128 over Gird Creek No. 20 0130 | 04-SON-128-9.75 | 1983 | Culvert | 26 ft | 2,750 | Fair |
| Warm Springs RD over Yulupa Creek No. 20C0217 | 11.15 MI N of S.H. 116 | 1930 | Culvert | 23 ft | 2,700 | Fair |
| Green Valley RD over Green Valley Creek No. 20C0382 | 1.3 MI W SH 116 | 1958 | Slab | 80 ft | 2,700 | Fair |
| Sanford Road over E Br Laguna De Santa Rsa No. 20C0511 | 0.4 MI N Occidental RD | 1997 | Stringer/Multi-beam or Girder | 77 ft | 2,700 | Fair |
| State Route 128 over Header Draw No. 20 0037 | 04-SON-128-5.26 | 1900 | Slab | 25 ft | 2,650 | Fair |
| State Route 128 over Rockaway Creek No. 20 0039 | 04-SON-128-6.44 | 1976 | Slab | 117 ft | 2,650 | Fair |
| State Route 128 over Bidwell Creek No. 20 0044 | 04-SON-128-24.01 | 1977 | Slab | 71 ft | 2,650 | Fair |
| State Route 128 over Russian River No. 20 0288 | 04-SON-128-5.44 | 2006 | Tee Beam | 980 ft | 2,650 | Fair |
| State Route 128 over Oat Valley Creek No. 20 0033 | 04-SON-128-L4.64 | 1932 | Slab | 24 ft | 2,550 | Fair |
| State Route 1 over Salmon Creek No. 20 0191 | 04-SON-001-12.49 | 1983 | Slab | 200 ft | 2,500 | Fair |
| SR 1 over Russian River No. 20 0195 | 04-SON-001-19.72 | 1984 | Box Beam or Girders - Multiple | 910 ft | 2,500 | Fair |
| Caulfield Lane over U.S. Highway 101 No. 20 0245 | 04-SON-101-3.98-PET | 1974 | Box Beam or Girders - Multiple | 247 ft | 2,500 | Fair |
| Bennett Valley RD over Yulupa Creek No. 20C0219 | 0.6 MI W Warm Springs RD | 1970 | Slab | 33 ft | 2,500 | Fair |
| Llano RD over Laguna De Santa Rosa No. 20C0233 | 0.5 MI N of ST HWY 116 | 1962 | Slab | 179 ft | 2,500 | Fair |
| Green Valley RD over Atascadero Creek No. 20C0381 | 0.6 MI W of SR 116 | 1967 | Slab | 82 ft | 2,500 | Poor |
| Todd RD over Laguna De Santa Rosa No. 20C0200 | 0.6 MI N JCT W/Sr 116 | 1973 | Slab | 152 ft | 2,434 | Fair |
| Ramp/Connector 101 over Colgan Creek No. 20 0196K | 04-SON-101-18.91 | 1957 | Culvert | 22 ft | 2,400 | Fair |
| Rockpile Road over Boat Launch Uc No. 20C0489 | 0.5 MI W Stwt Pt-Sk SP RD | 1985 | Slab | 110 ft | 2,400 | Good |
| Laughlin RD over Mark West Creek No. 20C0246 | 1 MI N of River RD | 1910 | Arch - Deck | 91 ft | 2,338 | Fair |
| Marlow Road over Piner Creek No. 20C0182 | Marlow Road | 1960 | Culvert | 26 ft | 2,300 | Fair |
| State Route 1 over Russian Gulch No. 20 0070 | 04-SON-001-24.50 | 1940 | Slab | 105 ft | 2,225 | Fair |
| Middle Rincon RD over Austin Creek No. 20C0161 | 0.25 MI N of SH 12 | 1970 | Culvert | 22 ft | 2,200 | Fair |
| State Route 128 over Foote Creek No. 20 0042 | 04-SON-128-20.72 | 1982 | Slab | 67 ft | 2,125 | Good |
| Bohemian HWY over Dutch Bill Creek No. 20C0158 | 5.4 MI from SR 116 | 1935 | Slab | 26 ft | 2,100 | Fair |
| ST Helena Road over Van Buren Creek No. 20C0267 | 1.2 MI W Calistoga RD | 1952 | Culvert | 25 ft | 2,100 | Fair |
| ST Helena Road over Mark West Creek No. 20C0268 | 1.1 MI E Calistoga RD | 1976 | Stringer/Multi-beam or Girder | 103 ft | 2,100 | Fair |
| Watertrough RD over Atascadero Creek No. 20C0313 | 0.55 MI N Sanders RD | 1975 | Slab | 78 ft | 2,100 | Good |
| 4th ST East over Nathanson Creek No. 20C0495 | 0.1 MI N of E Napa ST | 1914 | Arch - Deck | 35 ft | 2,100 | Fair |
| ST Helena Road over Hillside No. 20C0547 | 4.3 MI E/O Calistoga RD | 2007 | Stringer/Multi-beam or Girder | 30 ft | 2,100 | Fair |
| Redwood over Laguna De Santa Rosa No. 20C0068 | Just W/O US 101 | 1956 | Culvert | 22 ft | 2,050 | Fair |
| Kastania Road over US Highway 101 No. 20 0294 | 04-SON-101-2.60-PET | 2014 | Box Beam or Girders - Multiple | 184 ft | 2,000 | Good |
| Mark W Spring RD over Mark West Creek No. 20C0111 | 15.5 MI N/E Intx Rdwd Hy | 1976 | Slab | 158 ft | 2,000 | Good |
| Rinconada DR over Ducker Creek No. 20C0174 | 0.3 M South of Montecito | 1960 | Culvert | 25 ft | 2,000 | Good |
| Hoen Avenue over Spring Creek No. 20C0193 | 0.3 M South of Sonoma Ave | 1955 | Stringer/Multi-beam or Girder | 53 ft | 2,000 | Good |
| Pleasant Ave over Pool Creek No. 20C0241 | 0.8 MI E of Old Redwood H | 1925 | Tee Beam | 31 ft | 2,000 | Good |
| Casa Grande Ave over Adobe Creek No. 20C0306 | 0.25 MI S Adobe RD | 1970 | Culvert | 30 ft | 2,000 | Fair |
| Macarthur Street over Nathanson Creek No. 20C0422 | Austin Ave | 1965 | Slab | 28 ft | 2,000 | Fair |
| Old Redwood HWY over Windsor Creek No. 20C0507 | 100 Yards West of RTE 101 | 1995 | Box Beam or Girders - Multiple | 72 ft | 2,000 | Fair |
| Fountain Grove Pkw over Chanate Road No. 20C0510L | At Chanate Road | 1997 | Box Beam or Girders - Multiple | 140 ft | 2,000 | Fair |
| Fountain Grove Pkw over Chanate Road No. 20C0510R | At Chanate Road | 1997 | Box Beam or Girders - Single or Spread | 126 ft | 2,000 | Good |
| Cross Creek Road over Mark West Creek S Branch No. 20C0553 | By Riebli Road | 1991 | Arch - Deck | 26 ft | 2,000 | Good |
| Apache Street over Paulin Creek No. 20C0556 | 0.1 MI N of Steele Lane | 1964 | Culvert | 25 ft | 2,000 | Fair |
| Stone Bridge Road over Meadow Creek No. 20C0558 | 0.6 MI W of Oakmont DR | 1978 | Culvert | 26 ft | 2,000 | Good |
| Wild Oak Drive over Oakmont Creek No. 20C0559 | SW of Oakmont Drive | 1963 | Tee Beam | 28 ft | 2,000 | Good |
| Lone Pine RD over Blucher Creek No. 20C0285 | 0.3 MI W of S.H. 116 | 1958 | Slab | 63 ft | 1,950 | Fair |
| Wilfred Ave over Belview-Wilfred Creek No. 20C0275 | 0.2 MI E Primrose Ave | 1963 | Slab | 157 ft | 1,857 | Poor |
| Bohemian HWY over Salmon Creek No. 20C0208 | 0.2 MI W Bodega HWY | 1971 | Slab | 70 ft | 1,850 | Good |
| Grove RD over Carriger Creek No. 20C0456 | 1.7 MI W JCT Arnold RD | 1960 | Culvert | 27 ft | 1,850 | Fair |
| Grant ST over Foss Creek No. 20C0343 | In Healdsburg | 1920 | Tee Beam | 37 ft | 1,830 | Fair |
| Limerick Lane over US Highway 101 No. 20 0066 | 04-SON-101-32.79 | 1962 | Box Beam or Girders - Multiple | 186 ft | 1,800 | Fair |
| Fourth ST over Fife Creek No. 20C0318 | Near Brookside LN | 1926 | Tee Beam | 35 ft | 1,800 | Fair |
| Llano RD over Colgan Creek No. 20C0234 | 1.1 MI N of SH 116 | 1979 | Slab | 67 ft | 1,750 | Poor |
| Westside RD over Porter Creek No. 20C0138 | 1.0 MI N Wohler Br | 1921 | Tee Beam | 32 ft | 1,738 | Good |
| Trenton Healdsbrg over Mark West Creek No. 20C0239 | 0.3 MI N of River RD | 1988 | Slab | 184 ft | 1,700 | Fair |
| Ludwig Ave over Roseland CR Fld Cntl Chn No. 20C0459 | 1.6 MI E JCT Wth Llano RD | 1980 | Culvert | 26 ft | 1,700 | Fair |
| Rockpile Road over Warm Springs Creek No. 20C0438 | 3.5 MI JCT Dutcher Crk RD | 1978 | Truss - Deck | 1,788 ft | 1,650 | Good |
| Main Street over Dutch Bill Creek No. 20C0159 | Main Street at Tyrone | 1975 | Slab | 113 ft | 1,600 | Good |
| Skillman Lane over Wilson Creek No. 20C0298 | East of Thompson Lane | 1960 | Culvert | 21 ft | 1,600 | Fair |
| Casa Grande Ave over Adobe Creek No. 20C0305 | 0.4 MI N Ely RD | 1970 | Culvert | 39 ft | 1,600 | Fair |
| Old Gravenstein Hy over Blucher Creek No. 20C0004 | 0.25 MI N of S.H. 116 | 1925 | Tee Beam | 67 ft | 1,562 | Good |
| Cazadero HWY over Austin Creek No. 20C0427 | Just S of Scanlon RD | 1956 | Tee Beam | 198 ft | 1,550 | Fair |
| Cazadero HWY over Austin Creek No. 20C0428 | West of SR 1 | 1956 | Box Beam or Girders - Multiple | 182 ft | 1,550 | Fair |
| Cazadero HWY over ST Elmo Creek No. 20C0429 | East of Newmark Ave | 1957 | Slab | 26 ft | 1,550 | Good |
| Snyder LN over Branch of Five Creek No. 20C0197 | 1.1 MI N Rohnert Park Exp | 1965 | Culvert | 26 ft | 1,500 | Fair |
| Snyder LN over Crane Crk (snyder) No. 20C0198 | 0.7 MI N Rohnert Park Exp | 1965 | Culvert | 26 ft | 1,500 | Fair |
| 8th ST East over Schell Creek No. 20C0253 | 0.25 Mile North of Rt 12 | 1968 | Slab | 97 ft | 1,500 | Poor |
| Lichau RD over Copeland Creek No. 20C0265 | 1.0 MI E Pressley Road | 1968 | Slab | 46 ft | 1,500 | Fair |
| Windsor RD over Branch Windsor Creek No. 20C0342 | 0.3 MI N of Silk RD | 1946 | Stringer/Multi-beam or Girder | 31 ft | 1,500 | Fair |
| Bridgewood DR over Rincon Creek No. 20C0462 | 0.1 MI N Mtcto Bl Snta R | 1962 | Slab | 57 ft | 1,500 | Good |
| Sartori DR over Adobe Creek No. 20C0003 | 0.2 MI SE Casa Grande Ave | 1976 | Slab | 53 ft | 1,475 | Poor |
| Mill Station RD over Atascadero Creek No. 20C0314 | 0.25 MI E Ferguson RD | 1964 | Slab | 122 ft | 1,450 | Fair |
| Mill Station RD over Atascadero CR Overflow No. 20C0315 | 0.2 MI E Ferguson RD | 1964 | Slab | 95 ft | 1,450 | Poor |
| Cazadero HWY over Kidd Creek No. 20C0426 | N of Intersect SR 26 | 1974 | Slab | 60 ft | 1,450 | Good |
| Cazadero HWY over Hillside No. 20C0535 | 3.2 MI N/O SR 116 | 2005 | Stringer/Multi-beam or Girder | 97 ft | 1,450 | Fair |
| Cazadero HWY over Hillside No. 20C0554 | 3.6 MI N/O SR 116 | 2011 | Stringer/Multi-beam or Girder | 59 ft | 1,450 | Fair |
| Bodega HWY over Salmon Creek No. 20C0078 | 0.9 MI from SR 1 | 1962 | Slab | 92 ft | 1,400 | Fair |
| Sonoma Mtn RD over Matanzas Creek No. 20C0264 | 0.5 MI S Bennet Valley RD | 1930 | Slab | 24 ft | 1,400 | Fair |
| Sexton Road over Jonive Creek No. 20C0319 | 0.05 MI S Bodega HWY | 1964 | Slab | 62 ft | 1,210 | Fair |