Delaware County Bridge Report Card
Delaware County scores 62 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Delaware County, Indiana
Delaware County has 276 bridges in the National Bridge Inventory, with 23 rated poor and 22 rated scour-critical. Its poor-condition share of 8.3% is above the 5.3% statewide average. Poor-condition bridges carry about 70,290 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Delaware County a Bridge Condition Exposure Score of 62/100 (D). The county has 276 bridges in the National Bridge Inventory, including 23 in poor condition and 22 rated scour-critical. Poor-condition bridges carry about 70,290 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 | 8.3% | 16.7 |
| Poor-condition traffic exposure | 25 | 6.5% of measured traffic | 4.8 |
| Scour-critical bridge share | 20 | 8.0% | 15.9 |
| Average age vs national baseline | 10 | 50 years vs 48 nationally | 0.7 |
| Traffic-data completeness | 5 | 1,088,269 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 | 8.3% |
| State Poor-Condition Share | 5.3% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 8.0% |
| Average Bridge Age | 50 years |
| Poor-Condition Traffic Exposure | 70,290 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Delaware County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Memorial Drive over White River | Poor condition + traffic exposure | Poor | 9,340 | 1973 |
| Walnut ST over Mississinewa River | Poor condition + traffic exposure | Poor | 3,370 | 1966 |
| Washington AVE over White River | Poor condition + traffic exposure | Poor | 1,650 | 1930 |
| Gregory Road over Mississinewa River | Poor condition + traffic exposure | Poor | 600 | 1902 |
| I-69 SB over Killbuck Creek | Poor condition + traffic exposure | Poor | 14,852 | 1963 |
| I-69 NB over Killbuck Creek | Poor condition + traffic exposure | Poor | 14,592 | 1963 |
| I-69 SB over N&s Rr CR 251 N | Poor condition + traffic exposure | Poor | 12,226 | 1963 |
| Mcgalliard Road over Killbuck Creek | Poor condition + traffic exposure | Poor | 5,880 | 1960 |
| Wheeling Avenue over Hayden Ditch | Poor condition + traffic exposure | Poor | 1,480 | 1965 |
| Wheeling Avenue over Hedgeland Ditch | Poor condition + traffic exposure | Poor | 1,460 | 1965 |
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.