Bridge conditions in Madera County, California
250 inventoried bridges · 24 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
24 of the 250 bridges the federal inventory lists in Madera County are rated poor; the rest split 95 good and 131 fair.
- 24 of the 250 bridges in Madera County, California, are rated in poor condition (9.6%) in the 2025 National Bridge Inventory, as of .
- 95 bridges (38.0%) are rated good and 131 (52.4%) fair.
- The median Madera County bridge was built in 1971.
- The busiest poor-rated bridge is State Route 99 SB over Cottonwood Creek (built 1967), carrying about 32,500 vehicles a day.
Good 38.0% · Fair 52.4% · Poor 9.6% of 250 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 99 SB over Cottonwood Creek | 1967 | 32,500 | Poor |
| S Gateway Dr over SR 99 | 1958 | 4,380 | Poor |
| CR 426 over Fresno River | 1988 | 3,000 | Poor |
| School Rd 427 over Oak Creek | 1975 | 2,066 | Poor |
| N Shore Dr Rd 432 over North Fork Willow Creek | 1953 | 2,000 | Poor |
| Chowchilla Blvd over Berenda Slough | 1931 | 1,446 | Poor |
| Rd 19 & Ave 18.5 over Berenda Creek | 1965 | 1,000 | Poor |
| Ave 15 1/2 over Mid Canal (ave 15 1/2) | 1953 | 737 | Poor |
| Rd 600 over Crooks Creek | 1965 | 560 | Poor |
| Bridge Road over Nelder Creek | 1966 | 367 | Poor |
| Road 13 over Ash Slough | 1965 | 316 | Poor |
| Avenue 18.5 over Eastside Bypass Channel | 1965 | 300 | Poor |
| Santa Fe Blvd over Berenda Slough | 1968 | 259 | Poor |
| Santa Fe Blvd over Ash Slough | 1956 | 259 | Poor |
| Clark Street over M.i.d. Canal | 1955 | 200 | Poor |
| Eastside Dr over Ridge Ditch | 1972 | 100 | Poor |
| C.R. 210 over Ryan Creek | 1950 | 70 | Poor |
| Rd 28 1/2 over Dry Creek | 1948 | 68 | Poor |
| Road 229A over North Fork Willow Creek | 1950 | 60 | Poor |
| Winding Road over Beasore Creek | 1970 | 50 | Poor |
| Winding Road over Northfork Willow Creek | 1928 | 50 | Poor |
| Winding Road over Johnson Creek | 1973 | 50 | Poor |
| C.R. 810 over E Fk Chowchilla River | 1965 | 25 | Poor |
| Hartman Cutoff over Willow Creek | 1973 | 22 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 99 over Fresno River | 1989 | 68,000 | Good |
| State Route 99 over Little Dry Creek | 1912 | 67,000 | Fair |
| State Route 99 over SR 99 | 1973 | 65,000 | Good |
| State Route 99 over San Joaquin River | 2015 | 64,000 | Fair |
| State Route 99 over Berenda Creek | 1949 | 56,000 | Fair |
| State Route 99 over Chowchilla River | 1995 | 37,500 | Fair |
| State Route 41 over Fresno River | 1971 | 33,500 | Good |
| State Route 99 SB over Cottonwood Creek | 1967 | 32,500 | Poor |
| State Route 99 NB over Cottonwood Creek | 1967 | 32,500 | Fair |
| State Route 99 SB over Dry Creek | 1974 | 28,000 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of California: California bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.