The federal government contributes little to operations and maintenance of infrastructure: Federal share and state and local share of total public operations and maintenance (O&M) spending on transportation and water infrastructure, 1956–2014
| Year | Federal O&M share | State and local O&M share |
|---|---|---|
| 1956 | 8.8% | 91.2% |
| 1957 | 9.3% | 90.7% |
| 1958 | 7.4% | 92.6% |
| 1959 | 10.9% | 89.1% |
| 1960 | 11.4% | 88.6% |
| 1961 | 12.1% | 87.9% |
| 1962 | 11.5% | 88.5% |
| 1963 | 11.6% | 88.4% |
| 1964 | 11.6% | 88.4% |
| 1965 | 12.5% | 87.5% |
| 1966 | 12.2% | 87.8% |
| 1967 | 12.5% | 87.5% |
| 1968 | 13.1% | 86.9% |
| 1969 | 13.4% | 86.6% |
| 1970 | 13.7% | 86.3% |
| 1971 | 15.1% | 84.9% |
| 1972 | 14.5% | 85.5% |
| 1973 | 15.4% | 84.6% |
| 1974 | 14.7% | 85.3% |
| 1975 | 16.1% | 83.9% |
| 1976 | 17.5% | 82.5% |
| 1977 | 16.8% | 83.2% |
| 1978 | 17.5% | 82.5% |
| 1979 | 16.7% | 83.3% |
| 1980 | 17.6% | 82.4% |
| 1981 | 20.1% | 79.9% |
| 1982 | 15.5% | 84.5% |
| 1983 | 13.5% | 86.5% |
| 1984 | 13.0% | 87.0% |
| 1985 | 12.5% | 87.5% |
| 1986 | 11.3% | 88.7% |
| 1987 | 10.9% | 89.1% |
| 1988 | 10.8% | 89.2% |
| 1989 | 11.0% | 89.0% |
| 1990 | 10.6% | 89.4% |
| 1991 | 10.5% | 89.5% |
| 1992 | 11.6% | 88.4% |
| 1993 | 10.9% | 89.1% |
| 1994 | 11.4% | 88.6% |
| 1995 | 11.2% | 88.8% |
| 1996 | 10.8% | 89.2% |
| 1997 | 11.1% | 88.9% |
| 1998 | 10.9% | 89.1% |
| 1999 | 10.6% | 89.4% |
| 2000 | 10.1% | 89.9% |
| 2001 | 11.9% | 88.1% |
| 2002 | 11.7% | 88.3% |
| 2003 | 11.7% | 88.3% |
| 2004 | 11.6% | 88.4% |
| 2005 | 12.2% | 87.8% |
| 2006 | 11.6% | 88.4% |
| 2007 | 11.5% | 88.5% |
| 2008 | 10.9% | 89.1% |
| 2009 | 10.8% | 89.2% |
| 2010 | 12.7% | 87.3% |
| 2011 | 12.1% | 87.9% |
| 2012 | 12.4% | 87.6% |
| 2013 | 11.7% | 88.3% |
| 2014 | 11.7% | 88.3% |
Source: Author’s analysis of data from CBO 2015