Bridge conditions in Hamilton County, Indiana
460 inventoried bridges · 11 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
11 of the 460 bridges the federal inventory lists in Hamilton County are rated poor; the rest split 315 good and 134 fair.
- 11 of the 460 bridges in Hamilton County, Indiana, are rated in poor condition (2.4%) in the 2025 National Bridge Inventory, as of .
- 315 bridges (68.5%) are rated good and 134 (29.1%) fair.
- The median Hamilton County bridge was built in 2002.
- The busiest poor-rated bridge is Little Chicago Rd over Morse Reservoir (built 1954), carrying about 15,750 vehicles a day.
Good 68.5% · Fair 29.1% · Poor 2.4% of 460 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 |
|---|---|---|---|
| Little Chicago Rd over Morse Reservoir | 1954 | 15,750 | Poor |
| 106TH St East over Mud Creek | 1980 | 11,970 | Poor |
| Hazeldell Pkwy over Cool Creek | 1998 | 11,260 | Poor |
| Cherry Tree Rd over Vestal Ditch | 1974 | 1,670 | Poor |
| Atlantic Ave over Stony Creek | 1978 | 570 | Poor |
| Eagletown Rd over Little Eagle Creek | 1976 | 500 | Poor |
| Cedar Point Dr over Spring Mill Run | 1981 | 330 | Poor |
| Atlantic Rd over Thorpe Creek | 1950 | 260 | Poor |
| Cyntheanne Rd over Dyers Creek | 1974 | 140 | Poor |
| Horton Rd over Prairie Creek | 1965 | 120 | Poor |
| Wilson Terrace Ct over Trib of Little Cool CR | 1984 | 70 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-465 over Monon Greenway | 2010 | 129,425 | Good |
| 96TH St East over White River | 1996 | 80,300 | Fair |
| US 31 over Stanbrough Creek | 2014 | 75,763 | Good |
| US 31 NB over Unt Cool Creek | 2014 | 75,763 | Good |
| US 31 SB over Unt Cool Creek | 2014 | 75,763 | Good |
| US 31 NB over 151ST Street | 2013 | 75,763 | Good |
| I-465 EB over College Avenue | 2010 | 73,192 | Good |
| I-465 WB over College Avenue | 2010 | 73,192 | Good |
| 116TH St East over Cool Creek | 1955 | 72,880 | Fair |
| Keystone Parkway over Cool Creek | 1963 | 71,180 | Good |
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.