Bridge conditions in Genesee County, Michigan
369 inventoried bridges · 53 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 369 Genesee County bridges in the federal inventory, 53 carry a poor rating. That 14.4% share is roughly 2x the national average.
- 53 of the 369 bridges in Genesee County, Michigan, are rated in poor condition (14.4%) in the 2025 National Bridge Inventory, as of .
- 89 bridges (24.1%) are rated good and 227 (61.5%) fair.
- The median Genesee County bridge was built in 1970.
- The busiest poor-rated bridge is I-475 over Chavez Dr (built 1976), carrying about 63,400 vehicles a day.
Good 24.1% · Fair 61.5% · Poor 14.4% of 369 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-69 over CSX RR | 1971 | 96,200 | Fair |
| I-69 EB over M-54|s Dort Hwy | 2015 | 96,200 | Fair |
| I-69 over Gtw RR | 1971 | 93,000 | Fair |
| I-75 NB over Bristol Rd | 2005 | 89,742 | Fair |
| I-75 NB over Flushing Rd | 1958 | 76,600 | Fair |
| I-75 SB over Flushing Rd | 1958 | 76,600 | Fair |
| I-75 US-23 over Flint River | 1958 | 73,748 | Fair |
| I-75 over Court St | 1957 | 70,414 | Fair |
| I-75 over Swartz Creek | 1954 | 66,912 | Fair |
| I-69 over CSX RR Fenton Thread(abn | 1970 | 65,450 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Michigan: Michigan 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.