| CR A21 / Mooney RD over Robbers Creek | Poor | 41.0 ft | 1,500 | 1975 |
| Cr417 (punkin Ctr) over Muddy Slough No 1 | Poor | 130.2 ft | 200 | 1955 |
| CR 305 (mapes Rd) over Whitehead Slough | Poor | 60.0 ft | 162 | 1978 |
| RD 424 (bassett) over Willow Creek | Poor | 35.1 ft | 120 | 1960 |
| RD 304 over Whitehead Slough | Poor | 60.0 ft | 100 | 1930 |
| Cr246 (belfast Rd) over Willow Creek | Poor | 47.9 ft | 100 | 1975 |
| RD 311 over Deep Cut (baxter) Creek | Poor | 22.0 ft | 100 | 1978 |
| CR 111 (pittville) over Beaver Creek | Poor | 61.0 ft | 100 | 1975 |
| State Route 36 over Susan River | Fair | 136.5 ft | 15,300 | 1964 |
| U.s. Highway 395 over Long Valley Creek | Fair | 76.8 ft | 5,500 | 1956 |
| U.s. Highway 395 over Up Rr & Bnsf Ry | Fair | 180.1 ft | 5,500 | 1969 |
| U.s. Highway 395 over Long Valley Creek Ovfl | Fair | 113.8 ft | 5,500 | 1969 |
| U.s. Highway 395 over Willow Ranch Creek | Fair | 64.0 ft | 5,500 | 1969 |
| U.s. Highway 395 over Long Valley Creek | Fair | 40.0 ft | 5,500 | 1946 |
| U.s. Highway 395 over Galeppi Uc | Fair | 67.9 ft | 5,500 | 1969 |
| Alexander AVE over Susan River | Fair | 80.4 ft | 4,850 | 1986 |
| U.s. Highway 395 over Evans Canyon RD | Fair | 59.7 ft | 4,600 | 1976 |
| U.s. Highway 395 over Evans Canyon RD | Fair | 66.9 ft | 4,600 | 1976 |
| U.s. Highway 395 over State Route 70 | Fair | 140.1 ft | 4,600 | 1976 |
| State Route 70 over Up Rr | Fair | 185.4 ft | 4,200 | 1953 |
| State Route 70 over Long Valley Creek | Fair | 25.9 ft | 4,200 | 1952 |
| Richmond Road over Susan River | Fair | 123.4 ft | 3,300 | 1995 |
| State Route 36 over Susan River | Fair | 285.1 ft | 2,900 | 1966 |
| State Route 36 over Robbers Creek | Fair | 36.1 ft | 2,300 | 1924 |
| State Route 299 over Pit River Overflow | Fair | 60.7 ft | 1,800 | 1925 |
| State Route 299 over Pit River Overflow | Fair | 210.6 ft | 1,800 | 1925 |
| State Route 299 over Pit River Overflow | Fair | 120.4 ft | 1,800 | 1925 |
| State Route 299 over Pit River Overflow | Fair | 180.4 ft | 1,800 | 1925 |
| State Route 299 over Pit River Overflow | Fair | 390.4 ft | 1,800 | 1925 |
| State Route 299 over Pit River | Fair | 210.6 ft | 1,800 | 1925 |
| U.s. Highway 395 over Dill Slough | Fair | 299.9 ft | 1,700 | 1992 |
| U.s. Highway 395 over Susan River Overflow | Fair | 299.9 ft | 1,700 | 1992 |
| Leavitt LN (cr213) over Susan River Overflow | Fair | 60.0 ft | 1,500 | 2009 |
| U.s. Highway 395 over South Termo Ditch | Fair | 25.9 ft | 1,200 | 1971 |
| C.r. 301 over Baxter Creek | Fair | 41.3 ft | 1,200 | 1970 |
| Bieber Lookout RD over Ash Creek | Fair | 282.5 ft | 800 | 1966 |
| Johnstonville RD over Susan River | Fair | 98.1 ft | 600 | 1921 |
| Johnstonville RD over Lassen Creek | Fair | 30.8 ft | 600 | 1924 |
| Center RD over Willow Creek | Fair | 97.4 ft | 600 | 1975 |
| C.r. 203 over Gold Run Creek | Fair | 41.0 ft | 600 | 1967 |
| C.r. 203 over Lassen Creek | Fair | 41.0 ft | 600 | 1967 |
| Garnier RD over Long Valley Creek | Fair | 90.9 ft | 500 | 1956 |
| Lassen ST over Susan River | Fair | 79.1 ft | 400 | 1965 |
| Surprise Valley RD over Bare Creek | Fair | 38.7 ft | 400 | 1965 |
| Chappius Lane over Susan River | Fair | 106.6 ft | 300 | 1986 |
| C.r. 353 over Brownell Creek | Fair | 25.3 ft | 200 | 1923 |
| C.r. 353 over Mcclay Creek | Fair | 21.0 ft | 200 | 1923 |
| Johnstonville RD over Sand Slough | Fair | 23.0 ft | 200 | 1922 |
| RD 305 over Susan River Overflow #8 | Fair | 32.5 ft | 200 | 1971 |
| On County Road 320 over Skedaddle Creek | Fair | 67.6 ft | 200 | 1988 |
| CR 417(punkin Ctr) over Muddy Slough No 2 | Fair | 68.9 ft | 200 | 1955 |
| Cr527 (ash Valley) over No Name Creek | Fair | 24.9 ft | 160 | 1990 |
| Cr312-blickenstaff over Deep Cut (baxter) Creek | Fair | 60.0 ft | 130 | 2002 |
| Mapes Lane RD 305 over Susan River Overflow # 3 | Fair | 60.0 ft | 130 | 2016 |
| Mapes Lane RD 305 over Susan River Overflow # 5 | Fair | 120.1 ft | 130 | 2016 |
| Fish And Game Road over Susan River | Fair | 52.2 ft | 100 | 1938 |
| RD 315 over Susan River | Fair | 121.4 ft | 100 | 1987 |
| Eagle Lake RD over Pine Creek | Fair | 47.9 ft | 100 | 1965 |
| CR 305 (mapes Rd) over Hartson Slough | Fair | 45.9 ft | 100 | 1978 |
| Mapes Lane RD 305 over Susan River Overflow #4 | Fair | 60.0 ft | 100 | 2000 |
| RD 305 (mapes Rd) over Susan River Overflow #6 | Fair | 55.4 ft | 100 | 1978 |
| RD 305 over Susan River Overflow #14 | Fair | 36.7 ft | 100 | 1977 |
| RD 304 over Hartson Slough | Fair | 27.6 ft | 100 | 1978 |
| RD 304 (alexander) over South Fork Dill Slough | Fair | 78.1 ft | 100 | 1930 |
| Cr213 (leavitt Ln) over Susan River | Fair | 62.7 ft | 100 | 1970 |
| Cr213 (leavitt Ln) over Susan River Overflow | Fair | 31.2 ft | 100 | 1973 |
| Travis Lane over Brockman Slough | Fair | 50.9 ft | 100 | 1981 |
| RD 303 (galeppi) over Hartson Slough | Fair | 33.1 ft | 100 | 1978 |
| RD 304 over South Fork Dill Slough | Fair | 71.9 ft | 100 | 1978 |
| RD 306 (capezolli) over Hartson Slough | Fair | 33.1 ft | 100 | 1979 |
| Cr306 (capezolli) over Whitehead Slough | Fair | 55.1 ft | 100 | 1950 |
| County Road 311 over Deep Cut (baxter) Creek | Fair | 21.7 ft | 100 | 1978 |
| RD 318 over Susan River | Fair | 59.1 ft | 100 | 1975 |
| Scott Road over Long Valley Creek | Fair | 88.6 ft | 100 | 1975 |
| Hackstaff Road over Long Valley Creek | Fair | 85.3 ft | 80 | 2021 |
| C.r. 353 over Parker Creek | Fair | 25.3 ft | 50 | 1923 |
| Cr316 (mcclelland) over North Fork Dill Slough | Fair | 31.2 ft | 50 | 1978 |
| Scott RD over Scott Creek | Fair | 24.0 ft | 50 | 1954 |
| Road 30n03 over Susan River | Fair | 49.9 ft | 20 | 1972 |
| Road 30n06 over Susan River | Fair | 49.9 ft | 20 | 1976 |
| State Route 36 over Jensen Slough | Good | 25.9 ft | 15,300 | 1964 |
| State Route 36 over Gold Run Creek | Good | 36.1 ft | 10,300 | 1964 |
| U.s. Highway 395 over Long Valley Creek | Good | 40.0 ft | 5,500 | 1946 |
| U.s. Highway 395 over Scott Uc | Good | 56.1 ft | 4,600 | 1976 |
| U.s. Highway 395 over Scott Uc | Good | 63.0 ft | 4,600 | 1976 |
| U.s. Highway 395 over State Route 70 | Good | 127.0 ft | 4,600 | 1976 |
| Park Riverside DR over Susan River | Good | 82.7 ft | 4,500 | 1973 |
| U.s. Highway 395 over Standish Irrig. Canal | Good | 27.6 ft | 2,975 | 1936 |
| State Route 36 over Goodrich Creek | Good | 69.9 ft | 2,300 | 2021 |
| Skyline Road over Susan River | Good | 111.5 ft | 2,000 | 2019 |
| State Route 299 over Bnsf Ry | Good | 115.8 ft | 1,800 | 1977 |
| CR 518 (spalding) over Pine Creek | Good | 80.4 ft | 1,800 | 1976 |
| U.s. Highway 395 over Susan River | Good | 120.1 ft | 1,775 | 1954 |
| State Route 299 over Raines Creek | Good | 49.5 ft | 1,500 | 1931 |
| Conservation Ctr R over Brockman Slough | Good | 77.1 ft | 1,200 | 1969 |
| State Route 299 over Bieber Creek | Good | 25.3 ft | 1,050 | 1928 |
| State Route 299 over Willow Creek | Good | 83.0 ft | 1,050 | 1929 |
| Herlong Access RD over Long Valley Creek | Good | 252.6 ft | 800 | 1979 |
| State Route 139 over Meadow Channel | Good | 42.0 ft | 550 | 1966 |
| State Route 139 over Willow Creek | Good | 56.1 ft | 550 | 1966 |
| Cr302 (lambert Ln) over Hartson Slough | Good | 60.0 ft | 166 | 2011 |
| County RD 311 over Deep Cut (baxter) Creek | Good | 53.1 ft | 150 | 1988 |
| Mccoy RD over Susan River | Good | 51.5 ft | 100 | 1989 |
| RD 302 (lambert) over Hartson Slough Overflow | Good | 60.0 ft | 100 | 2011 |
| Hackstaff Road over Long Valley Creek | Good | 164.4 ft | 80 | 2021 |
| Armstrong Road over Willow Creek | Good | 52.5 ft | 50 | 1995 |
| No Data Entered over Pine Creek | Good | 96.1 ft | 20 | 1961 |
| Bert Road over Long Valley Crk Ovrflow | Good | 106.0 ft | 10 | 1968 |