Counties with the most bridges in dire need of repair in Pennsylvania

- Bridges in poor condition: 16.2% (100 of 619 bridges)
- Square meters of bridges in poor condition: 6.6% (19,172 of 290,527 square meters of bridges)

- Bridges in poor condition: 16.4% (34 of 207 bridges)
- Square meters of bridges in poor condition: 21.8% (8,600 of 39,390 square meters of bridges)

- Bridges in poor condition: 16.4% (50 of 304 bridges)
- Square meters of bridges in poor condition: 6.7% (5,125 of 76,514 square meters of bridges)

- Bridges in poor condition: 17.2% (69 of 401 bridges)
- Square meters of bridges in poor condition: 9.7% (13,729 of 141,121 square meters of bridges)

- Bridges in poor condition: 17.4% (117 of 674 bridges)
- Square meters of bridges in poor condition: 9.6% (37,600 of 392,091 square meters of bridges)

- Bridges in poor condition: 17.7% (80 of 452 bridges)
- Square meters of bridges in poor condition: 6.2% (10,073 of 162,542 square meters of bridges)

- Bridges in poor condition: 17.8% (78 of 439 bridges)
- Square meters of bridges in poor condition: 10.3% (15,498 of 150,342 square meters of bridges)

- Bridges in poor condition: 17.9% (24 of 134 bridges)
- Square meters of bridges in poor condition: 8.9% (8,772 of 98,998 square meters of bridges)

- Bridges in poor condition: 18.1% (76 of 420 bridges)
- Square meters of bridges in poor condition: 4.9% (11,462 of 233,700 square meters of bridges)

- Bridges in poor condition: 18.4% (40 of 217 bridges)
- Square meters of bridges in poor condition: 5.9% (4,099 of 69,347 square meters of bridges)

- Bridges in poor condition: 19.3% (27 of 140 bridges)
- Square meters of bridges in poor condition: 6.8% (3,621 of 53,543 square meters of bridges)

- Bridges in poor condition: 19.6% (61 of 311 bridges)
- Square meters of bridges in poor condition: 11.0% (13,322 of 121,409 square meters of bridges)

- Bridges in poor condition: 19.9% (60 of 301 bridges)
- Square meters of bridges in poor condition: 10.2% (12,321 of 120,361 square meters of bridges)

- Bridges in poor condition: 20.4% (46 of 225 bridges)
- Square meters of bridges in poor condition: 8.4% (5,423 of 64,320 square meters of bridges)

- Bridges in poor condition: 20.9% (76 of 364 bridges)
- Square meters of bridges in poor condition: 15.1% (36,454 of 241,139 square meters of bridges)

- Bridges in poor condition: 22.1% (63 of 285 bridges)
- Square meters of bridges in poor condition: 12.3% (8,706 of 71,061 square meters of bridges)

- Bridges in poor condition: 27.1% (122 of 450 bridges)
- Square meters of bridges in poor condition: 25.3% (75,124 of 296,539 square meters of bridges)

- Bridges in poor condition: 27.9% (103 of 369 bridges)
- Square meters of bridges in poor condition: 14.0% (15,717 of 112,385 square meters of bridges)

- Bridges in poor condition: 29.6% (77 of 260 bridges)
- Square meters of bridges in poor condition: 19.1% (9,352 of 48,962 square meters of bridges)

- Bridges in poor condition: 31.1% (50 of 161 bridges)
- Square meters of bridges in poor condition: 18.3% (10,776 of 58,815 square meters of bridges)