Bridge conditions in Dearborn County, Indiana
145 inventoried bridges · 18 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 8 bridges in Dearborn County is rated in poor condition: 18 of 145 on the federal inventory, one of the higher shares in Indiana.
- 18 of the 145 bridges in Dearborn County, Indiana, are rated in poor condition (12.4%) in the 2025 National Bridge Inventory, as of .
- 51 bridges (35.2%) are rated good and 76 (52.4%) fair.
- The median Dearborn County bridge was built in 1980.
- The busiest poor-rated bridge is I-275 over Ohio River CSX RR CR (built 1976), carrying about 40,222 vehicles a day.
Good 35.2% · Fair 52.4% · Poor 12.4% of 145 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-275 over Ohio River CSX RR CR | 1976 | 40,222 | Poor |
| SR 46 over Whitewater River | 1937 | 4,142 | Poor |
| N Hogan Rd over Branch of N Hogan Creek | 1915 | 1,050 | Poor |
| N Hogan Rd over Little Hogan Creek | 1963 | 970 | Poor |
| N Hogan Rd over Branch of North Hogan CR | 1920 | 950 | Poor |
| Sneakville Rd over Salt Fork Tanners Creek | 1990 | 550 | Poor |
| SNEAKVILLE Rd over Salt Fork Tanners Creek | 1950 | 550 | Poor |
| Collier Ridge Rd over Branch W Fork Tanners CR | 1910 | 330 | Poor |
| Bonnell Rd over Branch W For Tanners CR | 1935 | 150 | Poor |
| Bells Branch Rd over Baum Hollow Creek | 1945 | 110 | Poor |
| Konradi Rd over Ziegler Creek | 1930 | 100 | Poor |
| Geiger Rd over Leatherwood Creek | 1994 | 100 | Poor |
| Salt Fork Rd over Soapstone Creek | 1987 | 100 | Poor |
| Burns Rd over North Hogan Creek | 1976 | 100 | Poor |
| Lauman Rd over South Hogan Creek | 1940 | 100 | Poor |
| Cranes Run Rd over Branch of Whitewater Rvr | 1985 | 90 | Poor |
| Lower Dillsboro Rd over Branch of S Hogan Creek | 1985 | 90 | Poor |
| Davidson Rd over Little Jamison Creek | 1985 | 90 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 EB over Tanners CR & Service Rd | 1938 | 40,650 | Good |
| I-275 over Ohio River CSX RR CR | 1976 | 40,222 | Poor |
| US 50 over Wilson Creek | 1935 | 35,211 | Fair |
| US 50 WB over Tanners CR Streets RR | 2009 | 31,750 | Good |
| US 50 over Hogan Creek | 1952 | 28,398 | Fair |
| US 50 over CSX RR & 2 Streets | 1962 | 21,622 | Fair |
| I-74 EB over Johnson Fk/johnson Fk Rd | 1960 | 19,024 | Good |
| I-74 EB over Stout Road | 1960 | 19,024 | Good |
| I-74 WB over US 52 In & Ohio RR | 1961 | 18,929 | Fair |
| I-74 WB over Johnson Fk/johnson Fk Rd | 1960 | 18,929 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Indiana: Indiana 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.