Poor Condition Bridges in Colorado
417 bridges rated Poor condition in Colorado. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0–9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 417 such bridges in Colorado.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| UNNAMED DRAIN | Colorado | 1975 | 314 | 9.1 m | |
| Local Drainage | Colorado | 1901 | 309 | 6.6 m | |
| Larimer and Weld Canal | Colorado | 1930 | 304 | 12.8 m | |
| KIOWA CREEK | Colorado | 1960 | 299 | 24.4 m | |
| HIGHLINE CANAL | Colorado | 1964 | 299 | 26.8 m | |
| BEAR CREEK | Colorado | 1938 | 291 | 18.1 m | |
| LEITENSDORFER ARROYO | Colorado | 1935 | 290 | 12.8 m | |
| I 70 ML | Colorado | 1958 | 284 | 70.1 m | |
| FOUNTAIN CREEK | Colorado | 1915 | 283 | 20.1 m | |
| TONGUE CREEK | Colorado | 1984 | 267 | 9.1 m | |
| KIOWA CREEK | Colorado | 1988 | 257 | 11.5 m | |
| AMITY CANAL | Colorado | 1988 | 245 | 16.9 m | |
| OTERO CANAL | Colorado | 1964 | 244 | 9.1 m | |
| AMITY CANAL | Colorado | 1979 | 243 | 18.5 m | |
| GORE CREEK | Colorado | 1961 | 243 | 12.6 m | |
| COYOTE CREEK | Colorado | 1948 | 240 | 49.6 m | |
| FT. LYON CANAL | Colorado | 1988 | 240 | 14.0 m | |
| EAGLE RIVER/RR | Colorado | 1934 | 231 | 116.0 m | |
| SIX MILE CREEK | Colorado | 1948 | 220 | 34.8 m | |
| SANDY CREEK | Colorado | 1949 | 220 | 70.6 m | |
| WILLOW CREEK | Colorado | 1955 | 220 | 19.1 m | |
| BEAR CREEK | Colorado | 1926 | 220 | 15.8 m | |
| GUNNISON RIVER | Colorado | 1973 | 211 | 45.0 m | |
| Elk River | Colorado | 1972 | 204 | 24.3 m | |
| SO. PLATTE RIVER | Colorado | 1923 | 200 | 20.1 m | |
| Lower Platte Beaver Cnl | Colorado | 1965 | 200 | 7.6 m | |
| OBRIAN CANAL | Colorado | 1940 | 190 | 20.2 m | |
| MANCOS RIVER | Colorado | 1965 | 188 | 15.4 m | |
| ARKANSAS RIVER | Colorado | 1948 | 173 | 363.2 m | |
| Slater Creek | Colorado | 1986 | 169 | 11.9 m | |
| Big Hole Gulch | Colorado | 1950 | 167 | 8.5 m | |
| BIJOU CREEK | Colorado | 1965 | 165 | 109.7 m | |
| PICKETWIRE DITCH | Colorado | 1970 | 164 | 9.5 m | |
| OTERO CANAL | Colorado | 1961 | 161 | 9.7 m | |
| Trout Creek | Colorado | 1955 | 150 | 7.2 m | |
| North Fork White River | Colorado | 1990 | 141 | 15.4 m | |
| PLEASANT VALLEY DRAIN | Colorado | 1960 | 141 | 7.6 m | |
| MANCOS RIVER | Colorado | 1991 | 139 | 14.3 m | |
| CONEJOS RIVER | Colorado | 1947 | 136 | 56.4 m | |
| LOST CREEK SR | Colorado | 1936 | 135 | 34.8 m | |
| ARKANSAS RIVER | Colorado | 1930 | 132 | 31.1 m | |
| S.Fk Little Snake River | Colorado | 1975 | 131 | 9.2 m | |
| WEST SALT WASH | Colorado | 1931 | 131 | 110.9 m | |
| Spring Canyon Creek | Colorado | 1940 | 126 | 28.0 m | |
| BOB CREEK | Colorado | 1977 | 124 | 14.9 m | |
| RUNNING CREEK | Colorado | 1978 | 120 | 36.5 m | |
| LAKE FORK CREEK | Colorado | 1954 | 120 | 17.8 m | |
| LOST CREEK TRIBUTARY | Colorado | 1960 | 118 | 12.3 m | |
| CONEJOS RIVER | Colorado | 1987 | 118 | 30.9 m | |
| MONTROSE AND DELTA CANAL | Colorado | 1985 | 116 | 12.3 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0–9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0–2 are immediately closed.