Ontario County Bridge Report Card

Ontario County scores 68 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

D68 / 100

Local infrastructure snapshot

Ontario County, New York

Ontario County has 180 bridges in the National Bridge Inventory, with 17 rated poor and 5 rated scour-critical. Its poor-condition share of 9.4% is at or below the 9.9% statewide average. Poor-condition bridges carry about 105,302 daily vehicle crossings.

180Total Bridges

17Poor (9.4%)

101Fair (56.1%)

5Scour-Critical

Quote-Ready Local Facts

9.4%of county bridges are in poor condition, compared with 9.9% statewide and 6.7% nationally.

105,302daily vehicle crossings are on poor-condition bridges in the county.

5bridges are rated scour-critical, or 2.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Ontario County a Bridge Condition Exposure Score of 68/100 (D). The county has 180 bridges in the National Bridge Inventory, including 17 in poor condition and 5 rated scour-critical. Poor-condition bridges carry about 105,302 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	9.4%	18.9
Poor-condition traffic exposure	25	7.5% of measured traffic	5.6
Scour-critical bridge share	20	2.8%	5.6
Average age vs national baseline	10	52 years vs 48 nationally	1.5
Traffic-data completeness	5	1,406,709 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	9.4%
State Poor-Condition Share	9.9%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.8%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	105,302 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeRTE I90 over Canandaigua Outlet — 36,591 vehicles/day Oldest Listed BridgeRTE 245 over Burrell Creek — built in 1880 All County BridgesBrowse every bridge record in Ontario County.

Top Bridges to Watch in Ontario County

Bridge	Reason	Condition	Daily Traffic	Year Built
East Lake Road over Mill Creek	Poor condition + traffic exposure	Poor	3,022	1939
RTE 245 over Flint Creek	Poor condition + traffic exposure	Poor	1,195	1929
RTE I90 over Canandaigua Outlet	Poor condition + traffic exposure	Poor	36,591	1953
RTE I90 over Fall Brook	Poor condition + traffic exposure	Poor	18,825	1954
RTE I90 over Fall Brook	Poor condition + traffic exposure	Poor	18,296	1954
RTE 5 over Marsh Creek	Poor condition + traffic exposure	Poor	12,765	1958
Port Gibson Road over 90ix EB	Poor condition + traffic exposure	Poor	3,075	1954
Port Gibson Road over RTE I90	Poor condition + traffic exposure	Poor	3,075	1954
RTE 65 over Honeoye Creek	Poor condition + traffic exposure	Poor	2,199	1957
RTE 488 over Canandaigua Outlet	Poor condition + traffic exposure	Poor	2,145	1961

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.