Lancaster County Bridge Report Card
Lancaster County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lancaster County, Pennsylvania
Lancaster County has 801 bridges in the National Bridge Inventory, with 87 rated poor and 61 rated scour-critical. Its poor-condition share of 10.9% is at or below the 12.1% statewide average. Poor-condition bridges carry about 192,093 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lancaster County a Bridge Condition Exposure Score of 59/100 (F). The county has 801 bridges in the National Bridge Inventory, including 87 in poor condition and 61 rated scour-critical. Poor-condition bridges carry about 192,093 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 | 10.9% | 21.7 |
| Poor-condition traffic exposure | 25 | 3.2% of measured traffic | 2.4 |
| Scour-critical bridge share | 20 | 7.6% | 15.2 |
| Average age vs national baseline | 10 | 53 years vs 48 nationally | 2.0 |
| Traffic-data completeness | 5 | 5,972,585 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 | 10.9% |
| State Poor-Condition Share | 12.1% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 7.6% |
| Average Bridge Age | 53 years |
| Poor-Condition Traffic Exposure | 192,093 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lancaster County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Pa 501; Fur.hill over Furnace Run | Poor condition + traffic exposure | Poor | 9,664 | 1930 |
| Pa 625; SR 0625 over Muddy Creek | Poor condition + traffic exposure | Poor | 5,968 | 1930 |
| Pa 441; SR 0441 over Stamens Run | Poor condition + traffic exposure | Poor | 4,157 | 1939 |
| SR 1046 over Trib. To Muddy Creek | Poor condition + traffic exposure | Poor | 1,648 | 1955 |
| Sr4032 Mountain RD over Chiques Creek | Poor condition + traffic exposure | Poor | 1,072 | 1920 |
| SR 2013 over Bells Run | Poor condition + traffic exposure | Poor | 763 | 1938 |
| Bridge Valley RD over Chiques Creek | Poor condition + traffic exposure | Poor | 750 | 1869 |
| Churchtown Road over Little Conestoga Creek | Poor condition + traffic exposure | Poor | 701 | 1940 |
| T-334 Long Lane over Donegal Creek | Poor condition + traffic exposure | Poor | 700 | 1950 |
| Iron Bridge RD over Little Chiques Creek | Poor condition + traffic exposure | Poor | 650 | 1964 |
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.