Bridge conditions in Branch County, Michigan
118 inventoried bridges · 26 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 5 bridges in Branch County is rated in poor condition: 26 of 118 on the federal inventory, one of the higher shares in Michigan.
- 26 of the 118 bridges in Branch County, Michigan, are rated in poor condition (22.0%) in the 2025 National Bridge Inventory, as of .
- 22 bridges (18.6%) are rated good and 70 (59.3%) fair.
- The median Branch County bridge was built in 1967.
- The busiest poor-rated bridge is North Marshall Rd over Cold Creek (built 1930), carrying about 5,588 vehicles a day.
Good 18.6% · Fair 59.3% · Poor 22.0% of 118 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 Cold Creek | 1967 | 20,204 | Fair |
| I-69 SB over Sauk River | 1967 | 17,675 | Fair |
| I-69 NB over Sauk River | 1967 | 17,675 | Fair |
| I-69 SB over Hog Creek | 1967 | 10,926 | Fair |
| I-69 NB over Hog Creek | 1967 | 10,926 | Fair |
| I-69 SB over Indiana NE RR Sauk R Rd | 1967 | 10,583 | Fair |
| I-69 NB over Indiana NE RR Sauk R Rd | 1967 | 10,583 | Fair |
| I-69 SB over US-12 | 1967 | 10,583 | Fair |
| I-69 NB over US-12 | 2002 | 10,583 | Fair |
| US-12 over Coldwater River | 1939 | 10,550 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Branch County → - all 118, busiest first, each with its own condition record.
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.