Humboldt County, California bridges (page 2 of 2)
Humboldt County has 399 bridges and culverts in the National Bridge Inventory, the oldest built in 1911. 21 (5%) are rated poor. The most common type is stringer/multi-beam or girder (25%).
All bridges in Humboldt County
Busiest first · showing 201–399 of 399| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Mattole RD over Cuneo Creek No. 04C0018 | 7 MI W/O HWY 101 | 1966 | Tee Beam | 90 ft | 1,000 | Good |
| State Route 96 over Klamath River (orleans) No. 04 0069 | 01-HUM-096-38.57 | 1966 | Suspension | 770 ft | 990 | Good |
| Hookton Road over US Highway 101 No. 04 0166 | 01-HUM-101-68.21 | 1962 | Stringer/Multi-beam or Girder | 165 ft | 950 | Fair |
| Painter ST over US Highway 101 No. 04 0236 | 01-HUM-101-R52.89-RDEL | 1976 | Box Beam or Girders - Multiple | 265 ft | 890 | Fair |
| Waddington RD over Salt River No. 04C0261 | 1.1 MI N/O Grizzly Bluff | 2016 | Culvert | 106 ft | 890 | Fair |
| Davison RD over Prairie Creek No. 04C0193 | 0.2 MI W JCT With SR 101 | 1988 | Box Beam or Girders - Multiple | 101 ft | 875 | Fair |
| Loleta DR over US Highway 101 No. 04 0165 | 01-HUM-101-65.95 | 1962 | Stringer/Multi-beam or Girder | 161 ft | 800 | Good |
| Grizzly Bluff Road over Williams Creek No. 04C0258 | SE of Ferndale | 2019 | Slab | 62 ft | 800 | Good |
| State Route 96 over Klamath River No. 04 0144 | 01-HUM-096-22.95 | 1949 | Truss - Deck | 542 ft | 710 | Fair |
| 6th Street over US Highway 101 No. 04 0057 | 01-HUM-101-98.36 | 1960 | Box Beam or Girders - Multiple | 170 ft | 700 | Fair |
| Mattole Road over Davis Creek No. 04C0167 | 7.2 MI NW of Petrolia | 1998 | Box Beam or Girders - Multiple | 98 ft | 700 | Good |
| State Route 254 over Ohman Creek No. 04 0007 | 01-HUM-254-0.88 | 1939 | Tee Beam | 160 ft | 690 | Good |
| Eel River Drive over Salmon Creek No. 04C0092 | 0.2 MI S of US 101 | 1929 | Tee Beam | 62 ft | 644 | Good |
| Benbow DR over Fish Creek No. 04C0154 | 0.7 MI S/O N JCT HWY 101 | 1967 | Box Beam or Girders - Multiple | 94 ft | 627 | Good |
| Lake Benbow DR over E Br South Fork Eel Riv No. 04C0155 | 0.5 MI N SR 101 | 1932 | Arch - Deck | 258 ft | 627 | Good |
| Maple Creek Road over North Fork Mad River No. 04C0026 | In Korbel | 1928 | Arch - Thru | 429 ft | 624 | Poor |
| Crannell Road over US Highway 101 No. 04 0073 | 01-HUM-101-R97.02 | 1964 | Tee Beam | 171 ft | 600 | Good |
| Mattole RD over Harper Creek No. 04P0007 | 4.3 MI W/O HWY 101 | 1977 | Culvert | 21 ft | 600 | Fair |
| State Route 254 over Elk Creek No. 04 0008 | 01-HUM-254-10.43 | 1940 | Slab | 120 ft | 565 | Good |
| State Route 254 over Bridge Creek No. 04 0009 | 01-HUM-254-10.80 | 1938 | Tee Beam | 160 ft | 565 | Fair |
| State Route 254 over U.S. Highway 101 No. 04 0114 | 01-HUM-254-19.94 | 1961 | Box Beam or Girders - Multiple | 242 ft | 565 | Good |
| State Route 254 over Hillside No. 04 0292 | 01-HUM-254-11.83 | 1989 | Slab | 379 ft | 565 | Good |
| State Route 254 over Hillside No. 04 0298 | 01-HUM-254-17.80-STPK | 1995 | Slab | 147 ft | 565 | Good |
| State Route 96 over Aikens Creek No. 04 0059 | 01-HUM-096-28.07 | 1960 | Tee Beam | 140 ft | 560 | Good |
| State Route 96 over Bluff Creek No. 04 0063 | 01-HUM-096-28.27 | 1960 | Stringer/Multi-beam or Girder | 271 ft | 560 | Good |
| Dinsmore Drive over Rohner Creek No. 04C0102 | 0.3 MI N Int Wth 12th ST | 1962 | Slab | 87 ft | 556 | Good |
| State Route 96 over Slate Creek No. 04 0061 | 01-HUM-096-29.92 | 1960 | Tee Beam | 177 ft | 540 | Fair |
| State Route 96 over Bluff Creek No. 04 0225 | 01-HUM-096-R28.91 | 1967 | Arch - Deck | 402 ft | 540 | Good |
| Berta RD over Elk River No. 04C0047 | 0.14 MI W Elk River RD | 1936 | Truss - Thru | 128 ft | 518 | Fair |
| Mattole RD over Mattole River No. 04C0055 | E of JCT Wilder Ridge RD | 1920 | Truss - Thru | 384 ft | 514 | Fair |
| Mattole RD over Bull Creek No. 04C0015 | 6.4 MI W/O JCT W/ SR 101 | 1966 | Tee Beam | 155 ft | 500 | Fair |
| Arlington Avenue over Francis Creek No. 04C0249 | Just W SR 211 in Ferndale | 2001 | Slab | 32 ft | 500 | Fair |
| Port Kenyon Road over Francis Creek No. 04C0262 | 0.5 MI W of Main Street | 2015 | Arch - Deck | 38 ft | 500 | Good |
| Chambers Road over Mill Creek No. 04C0264 | 0.7 MI E of Mattole RD | 2015 | Girder and Floorbeam System | 60 ft | 500 | Fair |
| Hookton Road over Salmon Creek No. 04C0201 | 0.1 MI W Eel River DR | 1922 | Tee Beam | 39 ft | 486 | Poor |
| Bald Hills Road over Prairie Creek No. 04C0005 | 0.01 MI E/O SR 101 | 1957 | Stringer/Multi-beam or Girder | 116 ft | 479 | Poor |
| West End Road over Warren Creek No. 04C0206 | 0.2 MI S Warren Creek RD | 1927 | Tee Beam | 30 ft | 472 | Fair |
| Carson Woods Road over Rohner Creek No. 04C0246 | 0.3 MI N of Main | 1996 | Stringer/Multi-beam or Girder | 70 ft | 472 | Good |
| State Route 254 over South Fork Eel River No. 04 0010 | 01-HUM-254-20.64 | 1931 | Stringer/Multi-beam or Girder | 634 ft | 460 | Good |
| Centerville Road over Fleener Creek No. 04C0175 | 2.3 MI West of Poole RD | 1952 | Slab | 39 ft | 444 | Fair |
| Pine Creek RD over Soctish Creek No. 04C0108 | 2.9 MI N of Bair RD | 1950 | Slab | 95 ft | 437 | Fair |
| Cannibal Road over Mosley Slough No. 04C0038 | 3.7 MI W of Eel River Dr. | 1959 | Tee Beam | 296 ft | 434 | Fair |
| Red Cap Road over Big Rock Gulch No. 04C0259 | 0.3 Miles SW of SR96 | 2019 | Slab | 60 ft | 425 | Good |
| Briceland-Thorne over Mckee Creek No. 04C0191 | 0.1 MI S/O Shelter Cove | 1952 | Tee Beam | 46 ft | 420 | Fair |
| Briceland Thorn RD over Vanarken Creek No. 04C0205 | 1.0 MI S Shelter Cove RD | 1961 | Stringer/Multi-beam or Girder | 105 ft | 420 | Fair |
| Mattole RD over Mattole River No. 04C0078 | 0.8 MI South of Petrolia | 1958 | Truss - Deck | 381 ft | 412 | Poor |
| State Route 96 over Pearch Creek No. 04 0240 | 01-HUM-096-R39.48 | 1974 | Box Beam or Girders - Multiple | 377 ft | 400 | Good |
| Thomas Road over Salmon Creek No. 04C0151 | 3.24 MI S Salmon Ck RD | 1962 | Stringer/Multi-beam or Girder | 185 ft | 395 | Fair |
| Dillon Road over Salt River No. 04C0012 | N of Port Kenyon RD | 1994 | Box Beam or Girders - Multiple | 241 ft | 371 | Good |
| Port Kenyon Road over Salt River Overflow No. 04C0122 | 0.24 MI W Highway 211 | 1962 | Slab | 114 ft | 351 | Good |
| River Bar Road over Barber Creek Wash No. 04C0219 | 0.6 MI South of RTE 36 | 1970 | Stringer/Multi-beam or Girder | 28 ft | 351 | Fair |
| Fort Seward RD over Eel River No. 04C0040 | 6 MI E Dyerville Loop RD | 1958 | Truss - Deck | 624 ft | 350 | Fair |
| Maple Hills Road over Salmon Creek No. 04C0188 | Just S/O Salmon Creek RD | 1982 | Box Beam or Girders - Multiple | 124 ft | 349 | Good |
| Blue Slide RD over Howe Creek No. 04C0046 | JCT Howe Creek Road | 1978 | Box Beam or Girders - Multiple | 94 ft | 346 | Good |
| State Route 169 over Martins Ferry School Crk No. 04 0307 | 01-HUM-169-29.95 | 2012 | Box Beam or Girders - Multiple | 68 ft | 345 | Good |
| State Route 254 over Bear Creek No. 04 0012 | 01-HUM-254-43.02 | 1939 | Tee Beam | 175 ft | 330 | Good |
| State Route 254 over Greenlaw Creek No. 04 0171 | 01-HUM-254-46.12 | 1959 | Tee Beam | 122 ft | 330 | Fair |
| Jackson Ranch RD over Liscomb Slough No. 04C0185 | 0.25 MI S Foster Ave | 1960 | Slab | 73 ft | 327 | Good |
| State Route 169 over Rube Creek No. 04 0215 | 01-HUM-169-27.57 | 1970 | Stringer/Multi-beam or Girder | 58 ft | 320 | Good |
| State Route 169 over Coon Creek No. 04 0219 | 01-HUM-169-25.81 | 1988 | Box Beam or Girders - Multiple | 300 ft | 320 | Good |
| State Route 169 over Rock Chute Creek No. 04 0220 | 01-HUM-169-29.83 | 1991 | Slab | 50 ft | 320 | Good |
| State Route 169 over Miners Creek No. 04 0299 | 01-HUM-169-26.97 | 1995 | Box Beam or Girders - Multiple | 235 ft | 320 | Fair |
| Benbow Drive over E Br South Fork Eel Riv No. 04C0101 | 0.5 MI N/O Oakcrest Ct | 1970 | Box Beam or Girders - Multiple | 300 ft | 316 | Good |
| N101-DEAN Crk RD over Dean Creek No. 04 0006S | 01-HUM-101-R14.31 | 1967 | Box Beam or Girders - Multiple | 243 ft | 310 | Good |
| Mattole RD over Bull Creek No. 04P0004 | 5.3 MI W/O HWY 101 | 1956 | Tee Beam | 85 ft | 310 | Fair |
| Mattole Road over Singley Creek No. 04C0147 | 26.3 MI North of Honeydew | 1959 | Slab | 123 ft | 308 | Fair |
| Carson Woods Road over Rohner Creek No. 04C0197 | 0.8 MI North of Main ST | 1959 | Slab | 29 ft | 303 | Good |
| Blue Slide Road over Price Creek No. 04C0045 | 3.9 MI NW of U.S.101 | 1959 | Stringer/Multi-beam or Girder | 104 ft | 302 | Fair |
| Salmon Creek Road over Salmon Creek No. 04C0044 | 2 MI W/Of HWY 101 | 1959 | Stringer/Multi-beam or Girder | 142 ft | 300 | Fair |
| State Park Road over Upper Durphy Creek No. 04P0002 | Richardson Grove St. Pk. | 1965 | Culvert | 23 ft | 300 | Fair |
| Alderpoint RD over South Dobbyn Creek No. 04C0169 | 2.1 MI N Alderpoint | 1937 | Tee Beam | 58 ft | 281 | Poor |
| State Route 169 over Pecwan Creek No. 04 0190 | 01-HUM-169-14.46 | 1961 | Stringer/Multi-beam or Girder | 197 ft | 260 | Good |
| Briceland Road over Redwood Creek (redway) No. 04P0001 | Whittemore State Park | 1938 | Tee Beam | 101 ft | 260 | Fair |
| Coffee Creek Road over Perry Slough No. 04C0170 | 0.2 MI South of RTE 211 | 1931 | Tee Beam | 90 ft | 254 | Fair |
| Alderpoint Road over Cooper Creek No. 04C0166 | 30.4 MI E/N S.H. 101 | 1952 | Slab | 28 ft | 250 | Fair |
| Briceland Road over Redwood Creek No. 04C0212 | 0.1 MI E Bricelnd Tho RD | 1949 | Slab | 78 ft | 250 | Fair |
| Fulmor Road over Salt River No. 04C0029 | North of Kenyon Road | 1950 | Tee Beam | 407 ft | 246 | Fair |
| Alderpoint RD over Eel River & Nwp RR No. 04C0025 | 0.5 MI SE of Alderpoint | 1972 | Stringer/Multi-beam or Girder | 762 ft | 240 | Fair |
| Mattole Road over Indian Creek No. 04C0256 | 4.5 MI S/O Petrolia | 2010 | Slab | 46 ft | 240 | Good |
| Mattole Road over Bear River No. 04C0077 | South of Prescott Road | 1974 | Box Beam or Girders - Multiple | 290 ft | 231 | Fair |
| Salmon Creek Road over Salmon Creek No. 04C0056 | 2.65 MI Ave of the Giants | 1959 | Stringer/Multi-beam or Girder | 142 ft | 226 | Poor |
| Mattole Road over North Fork Mattole River No. 04C0146 | 1.3 NW of Mattole River | 1961 | Tee Beam | 218 ft | 219 | Fair |
| Mattole Road over Mattole River No. 04C0189 | 8.0 MI N/O Honeydew | 1935 | Arch - Deck | 166 ft | 205 | Fair |
| Alderpoint Road over North Dobbyn Creek No. 04C0105 | 5 MI N/O Alderpoint | 1966 | Stringer/Multi-beam or Girder | 104 ft | 201 | Fair |
| IRR BIA RTE 15 over Hostler Creek No. 00000000000J013 | 3 KM North of Hoopa | 1962 | Slab | 74 ft | 200 | Good |
| Etsbrg Hnydew RD over Mattole River No. 04C0174 | 5.77 MI N/O Thorne RD | 1928 | Arch - Deck | 103 ft | 200 | Fair |
| Mattole Road over Little Dry Creek No. 04C0265 | 7.6 MI NW of Petrolia | 2018 | Girder and Floorbeam System | 81 ft | 200 | Fair |
| Mattole Road over Mattole River No. 04C0071 | Shields Ford | 1973 | Box Beam or Girders - Multiple | 383 ft | 196 | Fair |
| Mattole RD over Dry Creek No. 04C0241 | 1 MI S/O Singley Creek | 1985 | Stringer/Multi-beam or Girder | 89 ft | 196 | Fair |
| Salmon Creek Road over US Highway 101 No. 04 0177 | 01-HUM-101-25.01 | 1962 | Tee Beam | 137 ft | 190 | Good |
| Wilder Ridge RD over Honeydew Creek No. 04C0067 | 2 MI S Mattole RD | 1990 | Box Beam or Girders - Multiple | 160 ft | 189 | Good |
| Mattole RD over Domingo Creek No. 04C0168 | 21.2 MI N/O Honeydew | 1926 | Tee Beam | 32 ft | 183 | Fair |
| Mattole Road over Mcnutt Creek No. 04C0243 | 3.6 MI NW of Petrolia | 1996 | Box Beam or Girders - Single or Spread | 101 ft | 180 | Fair |
| Tompkins Hill Road over Salmon Creek No. 04C0200 | 0.8 MI South of Route 345 | 1929 | Tee Beam | 43 ft | 179 | Good |
| Alderpoint Road over Burr Creek No. 04C0093 | 4 MI S of SR 36 | 1960 | Stringer/Multi-beam or Girder | 159 ft | 173 | Fair |
| Howard Heights RD over Freshwater Creek No. 04C0049 | 0.01 MI SW Freshwater RD | 1949 | Slab | 96 ft | 172 | Fair |
| Mattole Road over Woods Creek No. 04C0210 | 1.9 MI SW Wilder Rdg RD | 1976 | Tee Beam | 41 ft | 171 | Fair |
| Sprowel Creek Road over Sprowel Creek No. 04C0030 | 3 MI Sw/O Kimtu RD | 1959 | Stringer/Multi-beam or Girder | 151 ft | 163 | Fair |
| Brookwood Drive over Jacoby Creek No. 04C0124 | 0.1 MI S/O Jacoby Crk RD | 1967 | Truss - Thru | 68 ft | 162 | Fair |
| Bear Canyon Road over South Fork Eel River No. 04C0129 | 0.3 MI Sw/O Redwood DR | 2000 | Box Beam or Girders - Multiple | 650 ft | 158 | Fair |
| Elk River Road over North Fork Elk River No. 04C0057 | NE Pepper ST | 1923 | Tee Beam | 95 ft | 156 | Fair |
| Pesula Road over US Highway 101 No. 04 0118 | 01-HUM-101-31.61 | 1961 | Box Beam or Girders - Multiple | 185 ft | 155 | Fair |
| Cappell RD over Mareep Creek No. 04C0224 | 5.27 MI S JCT RTE 169 | 1965 | Stringer/Multi-beam or Girder | 53 ft | 150 | Fair |
| Burrel Road over Upper N Fk Mattole Riv No. 04C0127 | 0.5 MI W Mattole RD | 1961 | Stringer/Multi-beam or Girder | 183 ft | 142 | Fair |
| Ishi Pishi Road over Wilson Creek No. 04C0223 | 3.1 MI S JCT With SR 96 | 1975 | Box Beam or Girders - Multiple | 57 ft | 132 | Fair |
| Williams Creek RD over Williams Creek No. 04C0257 | 0.1 MI S of Grizzly Bluff | 2016 | Box Beam or Girders - Multiple | 80 ft | 130 | Fair |
| Wilder Ridge Road over Beartrap Creek No. 04C0066 | 1.5 MI S Mattole RD | 1960 | Stringer/Multi-beam or Girder | 39 ft | 128 | Fair |
| Alderpoint RD over Martin Creek No. 04C0084 | 6.7 MI South Bridgeville | 1972 | Box Beam or Girders - Multiple | 172 ft | 124 | Fair |
| Alderpoint RD over Larabee Creek No. 04C0106 | 15.5 MI N Alder Point | 1966 | Stringer/Multi-beam or Girder | 104 ft | 124 | Fair |
| Ishi Pishi RD over Ranger Flat Draw No. 04C0181 | 0.3 MI N JCT SR 96 | 1950 | Stringer/Multi-beam or Girder | 52 ft | 122 | Fair |
| Geneva Road over Lost Man Creek No. 8480002P0000000 | 0.8 Miles East of Jct. Hw | 1973 | Stringer/Multi-beam or Girder | 77 ft | 120 | Good |
| Geneva Road over Little Lost Man Creek No. 8480005P0000000 | 0.3 Miles East of Jct. Hw | 2021 | Stringer/Multi-beam or Girder | 70 ft | 120 | Good |
| Price Creek Road over Price Creek No. 04C0194 | 0.2 MI W/O Blue Slide RD | 1940 | Stringer/Multi-beam or Girder | 56 ft | 118 | Fair |
| S Quarry Road over Jacoby Creek No. 04C0006 | 0.05 MI S Jacoby Creek RD | 1971 | Stringer/Multi-beam or Girder | 114 ft | 115 | Fair |
| Alderpoint RD over Conley Creek No. 04C0165 | 1 MI S of Blocksburg | 1990 | Stringer/Multi-beam or Girder | 70 ft | 114 | Fair |
| Bair Road over Redwood Creek No. 04C0116 | 3.4 MI N/O SR 299 | 1950 | Truss - Thru | 144 ft | 113 | Fair |
| Forest Road over South Fork Eel River No. 04F0001 | 0.1 MI W/O Redwood DR | 1965 | Stringer/Multi-beam or Girder | 500 ft | 110 | Fair |
| Alderpoint RD over Larabee Creek No. 04C0214 | 32.2 MI E/N from SH 101 | 1960 | Stringer/Multi-beam or Girder | 59 ft | 107 | Fair |
| Maple Creek Road over Boulder Creek No. 04C0062 | 1/4 MI E Butler Vly RD | 1923 | Arch - Deck | 63 ft | 106 | Fair |
| Alderpoint RD over Mcmahon Creek No. 04C0090 | 14 MI N/O Alderpoint | 1958 | Stringer/Multi-beam or Girder | 43 ft | 106 | Good |
| Butler Valley RD over Mad River No. 04C0052 | 0.1 MI E/O Black Crk LN | 1937 | Arch - Deck | 204 ft | 105 | Fair |
| Butler Valley RD over Maple Creek No. 04C0187 | 0.2 MI W/O Maple Crk RD | 1929 | Arch - Deck | 82 ft | 105 | Good |
| Old Mattole RD over Mcnutt Creek No. 04C0069 | 0.49 MI N of Mattole RD | 1926 | Truss - Thru | 84 ft | 100 | Fair |
| Island Mountain RD over Chamise Creek No. 04C0113 | 5.7 MI E/O Bellsprings RD | 1973 | Stringer/Multi-beam or Girder | 83 ft | 100 | Fair |
| Freshwater Pool RD over Freshwater Creek No. 04C0136 | 0.03 MI S Freshwater RD | 1972 | Stringer/Multi-beam or Girder | 54 ft | 100 | Fair |
| Holmes Flat Road over Larabee Low Level-Eel Ri No. 04C0171 | Near Holmes | 1960 | Slab | 401 ft | 100 | Poor |
| Mccann Road over Eel River No. 04C0172 | E Dyerville Loop RD | 1965 | Slab | 302 ft | 100 | Fair |
| Holmes Flat RD over Eel River No. 04C0252 | Near Holmes | 1999 | Stringer/Multi-beam or Girder | 90 ft | 100 | Fair |
| Red Cap Road over Boise Creek No. 04C0244 | 3.7 Mile S. of SR 96 | 1995 | Box Beam or Girders - Multiple | 112 ft | 91 | Good |
| Zenia Bluff RD over South Dobbyn Creek No. 04C0064 | 2 MI E/O Alderpoint RD | 1949 | Tee Beam | 90 ft | 85 | Poor |
| Price Creek Road over Price Creek No. 04C0141 | 1.5 MI W/O Blue Slide RD | 1981 | Box Beam or Girders - Multiple | 98 ft | 82 | Fair |
| Chezem RD over Redwood Creek No. 04C0121 | 1.5 MI E Highway 299 | 1916 | Truss - Thru | 124 ft | 78 | Fair |
| Upper Bear Riv RD over Bear River No. 04C0082 | 8.0 MI S of Mattole RD | 1968 | Stringer/Multi-beam or Girder | 230 ft | 75 | Fair |
| Kings Peak Road over North Fork Bear Creek No. 04C0144 | 2 MI S/O Wilder Ridge RD | 1993 | Box Beam or Girders - Multiple | 92 ft | 75 | Good |
| Ishi Pishi RD over Klamath River No. 04C0236 | 0.5 MI SW of SR 96 | 1967 | Stringer/Multi-beam or Girder | 664 ft | 71 | Fair |
| Bair Road over Supply Creek No. 04C0115 | 2 MI W of Loop RD | 1950 | Stringer/Multi-beam or Girder | 41 ft | 69 | Fair |
| Smith Point over South Fork Eel River No. 04C0239 | Old Smith Point | 1934 | Stringer/Multi-beam or Girder | 555 ft | 69 | Fair |
| Howe Creek Road over Atwell Creek No. 04C0132 | 1.3 MI S/O Blue Slide RD | 1960 | Stringer/Multi-beam or Girder | 37 ft | 68 | Fair |
| Howe Creek Road over Howe Creek No. 04C0133 | 1.0 MI S/O Blue Slide RD | 1980 | Box Beam or Girders - Multiple | 95 ft | 68 | Good |
| Price Creek Road over Price Creek No. 04C0245 | 0.9 MI W Blue Slide Road | 1996 | Box Beam or Girders - Multiple | 100 ft | 67 | Good |
| Golden Gate DR over Van Duzen River No. 04C0126 | 0.5 MI S of SR 36 | 1985 | Box Beam or Girders - Multiple | 301 ft | 58 | Good |
| Shiveley Road over Shiveley Creek No. 04C0153 | 1.0 MI N of Shiveley | 1960 | Stringer/Multi-beam or Girder | 42 ft | 58 | Fair |
| Stover RD over Molasses Creek No. 04C0109 | 2.1 MI N JCT Bair RD | 1962 | Slab | 33 ft | 56 | Good |
| Stover Road over Mill Creek No. 04C0125 | 2.5 MI from Bair RD | 1961 | Slab | 32 ft | 56 | Good |
| Maple Creek RD over Canyon Creek No. 04C0039 | 7.25 MI S Intx SR 299 | 1951 | Stringer/Multi-beam or Girder | 165 ft | 55 | Fair |
| Whitlow RD over Sonoma Creek No. 04C0137 | 1 MI N of Sequoia RD | 1986 | Box Beam or Girders - Multiple | 62 ft | 53 | Good |
| Whitlow Road over Sonoma Creek #2 No. 04C0138 | 2.4 MI E of Elk Creek RD | 1966 | Stringer/Multi-beam or Girder | 42 ft | 53 | Fair |
| Whitlow Road over Sonoma Creek #1 No. 04C0139 | 2.2 MI E of Elk Creek RD | 1966 | Stringer/Multi-beam or Girder | 40 ft | 53 | Fair |
| 33007: Butte Creek over Butte Creek No. 0000000L2015335 | 40 Mi. SE of Fortuna | 1980 | Culvert | 39 ft | 50 | Poor |
| Lindley Road over Mattole River No. 04C0075 | 0.5 MI NE Mattole RD | 1925 | Suspension | 230 ft | 50 | Poor |
| Jack Shaw Road over Billings Creek No. 04C0135 | 1.3 MI E Mountain View | 1987 | Stringer/Multi-beam or Girder | 74 ft | 50 | Fair |
| Albert Etter Ra RD over Bear Creek No. 04C0143 | 0.2 MI Sw/O Etrsbg-Hnydw | 1985 | Stringer/Multi-beam or Girder | 89 ft | 50 | Fair |
| Steelhead RD over Powers Creek No. 04C0254 | 2.5 MI E/O Alderpoint RD | 2007 | Stringer/Multi-beam or Girder | 60 ft | 50 | Fair |
| No Data Entered over Red Cap Creek No. 051052000001017 | S19 T10N R6E | 1977 | Stringer/Multi-beam or Girder | 190 ft | 50 | Fair |
| No Data Entered over N Fork Red Cap Creek No. 051052000001020 | No Data Entered | 1967 | Stringer/Multi-beam or Girder | 60 ft | 50 | Good |
| No Data Entered over Grouse Creek No. 051053000001007 | No Data Entered | 1997 | Stringer/Multi-beam or Girder | 79 ft | 50 | Good |
| No Data Entered over No Data Entered No. 051053000001008 | S21 T1N R6E | 1980 | Box Beam or Girders - Single or Spread | 80 ft | 50 | Poor |
| No Data Entered over No Data Entered No. 051053000001009 | S15 T6N R4E | 1974 | Slab | 122 ft | 50 | Good |
| No Data Entered over No Data Entered No. 051053000001010 | S21 T6N R5E | 1981 | Stringer/Multi-beam or Girder | 60 ft | 50 | Poor |
| No Data Entered over No Data Entered No. 051053000001011 | S16 T6N R6E | 1966 | Slab | 112 ft | 50 | Good |
| No Data Entered over No Data Entered No. 051053000001012 | No Data Entered | 1988 | Stringer/Multi-beam or Girder | 65 ft | 50 | Good |
| No Data Entered over No Data Entered No. 051053000001018 | No Data Entered | 1957 | Stringer/Multi-beam or Girder | 158 ft | 50 | Good |
| No Data Entered over No Data Entered No. 051053000001019 | No Data Entered | 1978 | Stringer/Multi-beam or Girder | 82 ft | 50 | Good |
| No Data Entered over 051054000001005 No. 051054000001005 | S9 T1N R5E | 1973 | Stringer/Multi-beam or Girder | 73 ft | 50 | Good |
| No Data Entered over No Data Entered No. 051054000001006 | S19 T2N R6E | 1983 | Stringer/Multi-beam or Girder | 50 ft | 50 | Good |
| Davison Road over Prairie Creek No. 8480017P0000000 | Approximately 0.2 Miles F | 1970 | Box Beam or Girders - Single or Spread | 102 ft | 50 | Fair |
| Lanphere Road over Mad River Slough No. 04C0023 | 2.5 MI West of SR 101 | 1988 | Stringer/Multi-beam or Girder | 232 ft | 45 | Good |
| Bald Hills Road over Klamath River No. 04C0007 | At Intersection SR 169 | 1959 | Truss - Deck | 793 ft | 43 | Fair |
| IRR BIA RTE 18 over Pine Creek No. 00000000000J140 | 1.5KM S Martin Ferry Bd. | 1977 | Tee Beam | 122 ft | 40 | Fair |
| Price Creek Road over Sweet Creek No. 04C0150 | 3.4 MI W Blue Slide RD | 1959 | Slab | 36 ft | 39 | Good |
| Price Creek Road over Price Creek No. 04C0195 | 2.0 MI W Blue Slide Road | 1953 | Stringer/Multi-beam or Girder | 43 ft | 39 | Fair |
| Zanes RD over Elk River No. 04C0048 | 0.1 MI W Elk River RD | 1936 | Truss - Thru | 125 ft | 38 | Fair |
| Maple Creek RD over Maple Creek No. 04C0061 | 12.5 MI SE of Korbel | 1955 | Stringer/Multi-beam or Girder | 63 ft | 38 | Poor |
| Fort Seward Road over Dobbyn Creek No. 04C0152 | 1.5 MI W Alder Point RD | 1960 | Stringer/Multi-beam or Girder | 168 ft | 38 | Fair |
| Morgan Slough Road over Morgan Slough No. 04C0192 | North of Camp Weott Road | 1984 | Stringer/Multi-beam or Girder | 90 ft | 31 | Good |
| Sandy Prairie Road over Van Duzen River Overflow No. 04 0287Y | 01-HUM-000-0.00 | 2009 | Slab | 79 ft | 30 | Good |
| Williams Creek RD over Williams Creek No. 04C0208 | 1.6 MI S Grizzly Bluff RD | 1950 | Slab | 39 ft | 30 | Fair |
| North Fork Road over Mattole Creek No. 04C0247 | 1.5 MI N/O Mattole RD | 1996 | Slab | 43 ft | 30 | Fair |
| Kneeland Road over Lawrence Creek No. 04C0041 | 26.1 MI Ne/O Bridgeville | 1949 | Tee Beam | 58 ft | 28 | Fair |
| Upper Bear Riv RD over Bear River No. 04C0050 | 6.4 MI S of Mattole Road | 1960 | Stringer/Multi-beam or Girder | 232 ft | 27 | Fair |
| U. Bear River Road over Arroyo Creek No. 04C0149 | 6.5 MI S of Mattole RD | 1960 | Slab | 32 ft | 27 | Fair |
| Cockrobin Isld RD over Eel River No. 04C0098 | 0.5 MI S of Cannibal RD | 1961 | Box Beam or Girders - Single or Spread | 776 ft | 25 | Fair |
| Devoy RD over Freshwater Slough No. 04C0213 | At Myrtle Ave | 1986 | Slab | 118 ft | 24 | Good |
| Elinor Road over Greenlow Creek No. 04C0178 | 0.3 Mile NE of Route 254 | 1988 | Stringer/Multi-beam or Girder | 88 ft | 20 | Fair |
| Conklin Creek Road over East Mill Creek No. 04C0251 | 0.2 MI E/O Mattole RD | 2003 | Slab | 38 ft | 20 | Fair |
| Howe Creek Road over Howe Creek No. 04C0253 | 2.1 MI S/O Blue Slide RD | 2006 | Stringer/Multi-beam or Girder | 90 ft | 19 | Fair |
| Maple Creek Road over Heath Creek No. 04C0097 | 3.12 MI S Butler Vly RD | 1961 | Slab | 33 ft | 17 | Fair |
| Holmes Flat RD over Larabee Creek No. 04C0099 | 2.5 MI E Ave of Giants | 1966 | Box Beam or Girders - Multiple | 303 ft | 17 | Good |
| Bear River Road over Bonanza Gulch No. 04C0163 | 8.5 MI S of Mattole RD | 1986 | Slab | 42 ft | 15 | Good |
| Nissen Lane over Nissen Slough No. 04C0215 | 0.7 MI North of Goble LN | 1952 | Slab | 81 ft | 13 | Fair |
| Access Road to Cdf over Browns Creek No. 04F0004 | NE Ofkneeland Bridgeville | 2012 | Stringer/Multi-beam or Girder | 44 ft | 12 | Fair |
| IRR BIA RTE 3 over Tully Creek No. 00000000000J110 | 3KM NW Martin Ferry Bridg | 1972 | Tee Beam | 125 ft | 10 | Fair |
| IRR BIA RTE 11 over Pine Creek No. 00000000000J120 | 16 KM NW of Hoopa | 1977 | Tee Beam | 125 ft | 10 | Fair |
| Kneeland RD over North Fork Yager Creek No. 04C0042 | 14.3 MI N of Bridgeville | 1964 | Stringer/Multi-beam or Girder | 62 ft | 10 | Poor |
| Albee Ck Camp over Albee Creek No. 04P0011 | Humboldt Redwood St. Pk. | 1986 | Stringer/Multi-beam or Girder | 35 ft | 10 | Poor |
| Prescott Drive over Johnson Gulch No. 04C0184 | 2.2 MI East of Mattole RD | 1973 | Stringer/Multi-beam or Girder | 35 ft | 9 | Fair |
| Shower Pass RD over Olsen Creek No. 04C0179 | 6.1 MI Ne/O Kneeland RD | 1966 | Stringer/Multi-beam or Girder | 48 ft | 7 | Fair |
| Lighthouse Road over Mill Creek No. 04C0250 | 1.5 MI SW of Mattole RD | 2003 | Slab | 42 ft | 3 | Good |
| Grasshopper Lkt RD over Squaw Creek No. 04P0018 | 2 MI S/O Mattole RD | 1983 | Stringer/Multi-beam or Girder | 48 ft | 1 | Poor |