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 |
|---|---|---|---|---|---|
| BEAR CREEK | Colorado | 1961 | 15,500 | 32.7 m | |
| BEAR CREEK | Colorado | 1961 | 15,500 | 32.7 m | |
| RALSTON CREEK | Colorado | 1969 | 15,435 | 16.3 m | |
| BOULDER CREEK | Colorado | 1938 | 15,000 | 31.3 m | |
| RAMP TO US85 SB 8TH AVE | Colorado | 1968 | 15,000 | 68.6 m | |
| UP RR FOUNTAIN CRK | Colorado | 1954 | 15,000 | 186.3 m | |
| SELLARS GULCH | Colorado | 1987 | 14,950 | 19.7 m | |
| SH 58 ML | Colorado | 1973 | 14,684 | 62.5 m | |
| US 6 RR EAGLE RIVER | Colorado | 1971 | 14,500 | 343.2 m | |
| COUNTY ROADS 26N 105 | Colorado | 1960 | 13,000 | 28.7 m | |
| COUNTY ROADS 31N 125 | Colorado | 1960 | 13,000 | 28.7 m | |
| COUNTY ROADS 31N 125 | Colorado | 1960 | 13,000 | 28.7 m | |
| COUNTY ROADS 26N 105 | Colorado | 1960 | 13,000 | 28.7 m | |
| COUNTY ROADS 28N 113 | Colorado | 1960 | 13,000 | 28.7 m | |
| COUNTY ROADS 28N 113 | Colorado | 1960 | 13,000 | 28.7 m | |
| SOUTH PLATTE RIVER | Colorado | 1965 | 12,861 | 55.5 m | |
| BARNES INLET CANAL | Colorado | 1933 | 12,500 | 13.2 m | |
| SOUTH PLATTE RIVER | Colorado | 1955 | 12,500 | 290.2 m | |
| I 270 ML | Colorado | 1970 | 11,998 | 86.9 m | |
| I 25 ML | Colorado | 1952 | 11,261 | 78.0 m | |
| FOUNTAIN CREEK | Colorado | 1930 | 11,000 | 173.0 m | |
| CROOKED CREEK | Colorado | 1941 | 11,000 | 6.4 m | |
| CACHE LA POUDRE RIVER | Colorado | 1962 | 11,000 | 76.8 m | |
| US 40 FRONTAGE RD | Colorado | 1965 | 10,527 | 28.5 m | |
| HIGHLINE CANAL | Colorado | 1965 | 10,077 | 10.9 m | |
| POLK CREEK | Colorado | 1978 | 10,000 | 223.1 m | |
| BLACK GORE CREEK | Colorado | 1977 | 10,000 | 107.9 m | |
| TIMBER CREEK | Colorado | 1977 | 10,000 | 96.2 m | |
| GULLER GULCH | Colorado | 1977 | 10,000 | 125.3 m | |
| SMITH GULCH | Colorado | 1977 | 10,000 | 83.1 m | |
| CORRAL CREEK | Colorado | 1979 | 10,000 | 116.1 m | |
| US 40 FRONTAGE ROAD | Colorado | 1965 | 9,839 | 28.5 m | |
| US 6 ML | Colorado | 1964 | 9,607 | 27.7 m | |
| I 76 ML | Colorado | 1967 | 9,516 | 88.2 m | |
| SOUTH PLATTE RIVER | Colorado | 1970 | 9,367 | 73.5 m | |
| GW RR | Colorado | 1974 | 9,116 | 37.7 m | |
| BNSF RR AR | Colorado | 1953 | 8,600 | 77.1 m | |
| DRAW | Colorado | 1957 | 8,600 | 6.2 m | |
| I 25 ML | Colorado | 1958 | 8,500 | 84.1 m | |
| COLORADO RIVER | Colorado | 1980 | 8,500 | 133.6 m | |
| COLORADO RIVER | Colorado | 1980 | 8,500 | 134.2 m | |
| US 50 ML | Colorado | 1953 | 8,400 | 69.7 m | |
| SOUTH PLATTE RIVER | Colorado | 1963 | 8,359 | 93.1 m | |
| COLORADO RIVER | Colorado | 1968 | 8,300 | 88.5 m | |
| I 70 ML CLEAR CREEK | Colorado | 1965 | 7,900 | 100.5 m | |
| Community Ditch | Colorado | 2000 | 7,760 | 10.7 m | |
| PLATTE AVENUE | Colorado | 1939 | 7,042 | 15.3 m | |
| SIX MILE CREEK | Colorado | 1949 | 7,000 | 15.2 m | |
| GRANEROS CREEK | Colorado | 1948 | 7,000 | 29.2 m | |
| Dry Creek | Colorado | 1948 | 6,817 | 9.1 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.