Bridge conditions in Harrison County, Indiana
128 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Harrison County tracks close to typical: 4 of its 128 inventoried bridges (3.1%) are rated poor, against a national rate of about 7%.
- 4 of the 128 bridges in Harrison County, Indiana, are rated in poor condition (3.1%) in the 2025 National Bridge Inventory, as of .
- 50 bridges (39.1%) are rated good and 74 (57.8%) fair.
- The median Harrison County bridge was built in 1987.
- The busiest poor-rated bridge is Old SR 337 over Little Indian Creek (built 1984), carrying about 6,087 vehicles a day.
Good 39.1% · Fair 57.8% · Poor 3.1% of 128 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 |
|---|---|---|---|
| Old SR 337 over Little Indian Creek | 1984 | 6,087 | Poor |
| SR 11 over South Fork Buck Creek | 1966 | 1,607 | Poor |
| Old SR 337 over Buck Creek | 1965 | 760 | Poor |
| St John Church Rd over Buck Creek | 1988 | 160 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-64 over Brush Heap Creek | 1974 | 30,390 | Fair |
| I-64 EB over Blue River Blue Road | 1974 | 16,250 | Fair |
| I-64 WB over Blue River Blue Road | 1974 | 16,250 | Fair |
| I-64 EB over Indian Creek Access Rd | 1974 | 15,774 | Fair |
| I-64 WB over Indian Creek Access Rd | 1974 | 15,774 | Fair |
| I-64 EB over Brush Heap Creek | 1974 | 15,403 | Fair |
| I-64 WB over Brush Heap Creek | 1974 | 14,800 | Fair |
| SR 337 over Indian Creek Lna&c RR | 1959 | 14,203 | Good |
| SR 135 over I-64 Eb/wb | 1974 | 12,739 | Fair |
| SR 135 over Indian Creek | 1970 | 9,705 | 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.