Bridge conditions in Jackson County, Michigan
158 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Jackson County has 17 bridges rated poor out of 158 inventoried, a 10.8% share that puts it well above the national rate of about 7%.
- 17 of the 158 bridges in Jackson County, Michigan, are rated in poor condition (10.8%) in the 2025 National Bridge Inventory, as of .
- 54 bridges (34.2%) are rated good and 87 (55.1%) fair.
- The median Jackson County bridge was built in 1978.
- The busiest poor-rated bridge is I-94BL US127BR M50 over Grand River (built 1967), carrying about 21,340 vehicles a day.
Good 34.2% · Fair 55.1% · Poor 10.8% of 158 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 |
|---|---|---|---|
| I-94BL US127BR M50 over Grand River | 1967 | 21,340 | Poor |
| US-127 over Grand River | 1955 | 16,125 | Poor |
| US-127 Br / M-106 over Grand River | 1915 | 15,940 | Poor |
| US-127 M-50 NB over Parnall Rd | 1958 | 12,954 | Poor |
| East Ganson Street over Grand River | 1956 | 11,402 | Poor |
| US-127 NB over Grand River | 1957 | 9,599 | Poor |
| M-106 over Portage River | 1976 | 6,730 | Poor |
| Mlk Jr Dr over Grand River | 1903 | 6,343 | Poor |
| Cement City Road over Goose Creek | 1938 | 2,173 | Poor |
| Albion Road over N Branch Kalamazoo River | 1929 | 1,140 | Poor |
| Springport Rd over Sandstone Creek | 1944 | 765 | Poor |
| Springport Road over Sandstone Creek | 1973 | 700 | Poor |
| Trist Road over Portage River S Br | 1939 | 624 | Poor |
| Benn Road over Sandstone Creek | 1939 | 396 | Poor |
| Hanover Road over S Branch Kalamazoo River | 1938 | 150 | Poor |
| Palmer & Wolf Lake over Raisin River | 1942 | 120 | Poor |
| Goose Lake Road over S Branch Kalamazoo River | 1974 | 100 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Elm Rd over I-94 | 2022 | 54,000 | Good |
| Airport Rd over I-94 | 1958 | 46,000 | Fair |
| Whipple Rd over I-94 | 1960 | 38,000 | Fair |
| Sandstone Rd over I-94 | 1958 | 34,000 | Fair |
| I-94 EB over Jail RR & Grand River | 2019 | 33,550 | Good |
| I-94 WB over Jail RR & Grand River | 2020 | 33,550 | Good |
| I-94 EB over US-127 | 2022 | 32,800 | Good |
| I-94 WB over US-127 | 2021 | 32,800 | Good |
| Mt Hope Rd over I-94 | 1960 | 32,000 | Fair |
| Clear Lake Rd over I-94 | 1960 | 32,000 | 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.