LaGrange County Bridge Report Card
LaGrange County scores 93 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
LaGrange County, Indiana
LaGrange County has 100 bridges in the National Bridge Inventory, with 0 rated poor and 3 rated scour-critical. Its poor-condition share of 0.0% is at or below the 5.3% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives LaGrange County a Bridge Condition Exposure Score of 93/100 (A). The county has 100 bridges in the National Bridge Inventory, including 0 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 0 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 3.0% | 6.0 |
| Average age vs national baseline | 10 | 51 years vs 48 nationally | 1.3 |
| Traffic-data completeness | 5 | 279,084 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 0.0% |
| State Poor-Condition Share | 5.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 3.0% |
| Average Bridge Age | 51 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in LaGrange County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 9 over Fawn River (reservoir Ar | Scour-critical foundation rating | Good | 10,962 | 1961 |
| SR 3 over Mill Race | Scour-critical foundation rating | Fair | 1,420 | 1993 |
| SR 3 over Pigeon River | Scour-critical foundation rating | Fair | 1,420 | 1993 |
| I-90 over Lagrange County Drain | High traffic | Good | 24,466 | 1957 |
| I-90 EB over Fawn River (west) | High traffic | Good | 12,463 | 1956 |
| I-90 WB over Fawn River (west) | High traffic | Good | 12,463 | 1956 |
| I-90 EB over CR 50 E | High traffic | Good | 12,233 | 1956 |
| I-90 WB over CR 50 E | High traffic | Good | 12,233 | 1956 |
| I-90 EB over CR 700 E | High traffic | Fair | 12,233 | 1956 |
| I-90 WB over CR 700 E | High traffic | Fair | 12,233 | 1956 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.