Bridge conditions in LaPorte County, Indiana
227 inventoried bridges · 15 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 227 bridges in LaPorte County: 78 rated good, 134 fair, and 15 poor.
- 15 of the 227 bridges in LaPorte County, Indiana, are rated in poor condition (6.6%) in the 2025 National Bridge Inventory, as of .
- 78 bridges (34.4%) are rated good and 134 (59.0%) fair.
- The median LaPorte County bridge was built in 1976.
- The busiest poor-rated bridge is E Michigan Blvd over Trail Creek (built 1958), carrying about 23,875 vehicles a day.
Good 34.4% · Fair 59.0% · Poor 6.6% of 227 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 |
|---|---|---|---|
| E Michigan Blvd over Trail Creek | 1958 | 23,875 | Poor |
| SR 104 over Kankakee River | 1984 | 1,155 | Poor |
| CR 800S over Way Ditch | 1983 | 875 | Poor |
| Range Road over Porter Ditch | 1976 | 650 | Poor |
| Range Road over Kingsbury Creek | 1981 | 400 | Poor |
| CR 525S over Kankakee River | 1984 | 200 | Poor |
| CR 1200S over Long Ditch | 1979 | 200 | Poor |
| CR 1650S over Hanna Arm-tuesburg Ditch | 1924 | 200 | Poor |
| CR 2300S over Pitner Ditch | 1982 | 200 | Poor |
| CR 875W over Pitner Ditch | 1987 | 175 | Poor |
| CR 525W over East Branch of Trail CR | 1976 | 150 | Poor |
| CR 250S over Travis Ditch | 1989 | 150 | Poor |
| CR 525E over Little Kankakee River | 1984 | 150 | Poor |
| CR 50E over Kankakee River | 1982 | 100 | Poor |
| CR 1000S over Kankakee River | 1981 | 100 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-94 WB over East Br Trail Creek | 1969 | 37,476 | Good |
| I-94 EB over Nictd RR | 1969 | 37,476 | Good |
| I-94 WB over Norris Ditch No 1 | 1971 | 27,527 | Good |
| I-94 WB over Norris Ditch No 2 | 1971 | 27,527 | Fair |
| I-94 EB over Norris Ditch No 3 | 1971 | 27,527 | Good |
| I-94 WB over Norris Ditch No 3 | 1971 | 27,527 | Good |
| I-94 WB over Css & SB RR | 1971 | 27,527 | Good |
| I-94 EB over Norris Ditch No 2 | 1971 | 26,178 | Fair |
| I-90 EB over Pinola Road | 1956 | 25,230 | Good |
| I-90 WB over Pinola Road | 1956 | 25,230 | 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.