Blackford County Bridge Report Card
Blackford County scores 88 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Blackford County, Indiana
Blackford County has 73 bridges in the National Bridge Inventory, with 3 rated poor and 0 rated scour-critical. Its poor-condition share of 4.1% is at or below the 5.3% statewide average. Poor-condition bridges carry about 2,365 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Blackford County a Bridge Condition Exposure Score of 88/100 (B). The county has 73 bridges in the National Bridge Inventory, including 3 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 2,365 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 | 4.1% | 8.2 |
| Poor-condition traffic exposure | 25 | 4.6% of measured traffic | 3.4 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 42 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 51,533 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 | 4.1% |
| State Poor-Condition Share | 5.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 42 years |
| Poor-Condition Traffic Exposure | 2,365 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Blackford County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| SR 3 over Prairie Creek | Poor condition + traffic exposure | Poor | 2,249 | 1932 |
| CR 700 East over Two Mile Ditch | Poor condition + traffic exposure | Poor | 110 | 1982 |
| Willman Road over Little Lick Creek | Poor condition + traffic exposure | Poor | 6 | 1930 |
| SR 3 over Little Lick Creek | High traffic | Fair | 6,690 | 1987 |
| SR 3 over Big Lick Creek | High traffic | Fair | 6,203 | 1960 |
| SR 18 over Prairie Creek | High traffic | Fair | 3,003 | 1976 |
| SR 18 over Greenlee Ditch | High traffic | Good | 2,781 | 2008 |
| SR 26 over Little Lick Creek | High traffic | Fair | 2,339 | 2009 |
| SR 18 over Salamonie River | High traffic | Fair | 2,140 | 1924 |
| SR 26 over Tyner Ditch | High traffic | Good | 1,917 | 1991 |
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.