Bridge conditions in Newton County, Indiana
172 inventoried bridges · 5 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 172 bridges in Newton County: 74 rated good, 93 fair, and 5 poor.
- 5 of the 172 bridges in Newton County, Indiana, are rated in poor condition (2.9%) in the 2025 National Bridge Inventory, as of .
- 74 bridges (43.0%) are rated good and 93 (54.1%) fair.
- The median Newton County bridge was built in 1986.
- The busiest poor-rated bridge is Stateline Road over Riner-houseworth Ditch (built 1968), carrying about 350 vehicles a day.
Good 43.0% · Fair 54.1% · Poor 2.9% of 172 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 |
|---|---|---|---|
| Stateline Road over Riner-houseworth Ditch | 1968 | 350 | Poor |
| CR 950 N over Knight Ditch | 1963 | 288 | Poor |
| CR 1100 S over Hunter Ditch | 1930 | 145 | Poor |
| CR 650 E over Iroquois River | 1910 | 145 | Poor |
| CR 300 E over Hunter Ditch | 1930 | 145 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-65 NB over NS RR | 1966 | 46,144 | Good |
| I-65 SB over NS RR | 1966 | 40,644 | Fair |
| I-65 NB over Kankakee River | 2018 | 24,499 | Good |
| I-65 SB over Kankakee River | 2018 | 18,482 | Good |
| I-65 NB over Dehaan Ditch | 1966 | 14,069 | Fair |
| I-65 SB over Dehaan Ditch | 1966 | 14,069 | Fair |
| US 41 SB over Kankakee River | 1954 | 7,635 | Good |
| US 41 NB over Kankakee River | 1995 | 7,365 | Good |
| US 41 over Beaver Creek | 1954 | 6,734 | Good |
| US 24 over Kent Ditch | 2012 | 6,530 | 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.