Bridge conditions in Putnam County, Indiana
293 inventoried bridges · 51 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 6 bridges in Putnam County is rated in poor condition: 51 of 293 on the federal inventory, one of the higher shares in Indiana.
- 51 of the 293 bridges in Putnam County, Indiana, are rated in poor condition (17.4%) in the 2025 National Bridge Inventory, as of .
- 90 bridges (30.7%) are rated good and 152 (51.9%) fair.
- The median Putnam County bridge was built in 1966.
- The busiest poor-rated bridge is US 40 over Service Rd - State Farm (built 1985), carrying about 5,489 vehicles a day.
Good 30.7% · Fair 51.9% · Poor 17.4% of 293 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-70 EB over Vermillion Creek | 1965 | 41,402 | Fair |
| I-70 WB over Vermillion Creek | 1965 | 41,402 | Fair |
| I-70 EB over US 231 Sb/nb | 1965 | 39,268 | Good |
| I-70 WB over US 231 Sb/nb | 1965 | 39,268 | Good |
| I-70 EB over CSX RR | 1965 | 36,717 | Fair |
| I-70 WB over Knight Road | 1966 | 34,117 | Fair |
| I-70 EB over Big Walnut Creek | 1966 | 34,117 | Fair |
| I-70 WB over Big Walnut Creek | 1966 | 34,117 | Fair |
| I-70 over Branch of Croys Creek | 2009 | 32,120 | Good |
| I-70 EB over Mill Creek | 1966 | 19,280 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Putnam County → - all 293, busiest first, each with its own condition record.
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.