Westchester County Bridge Report Card

Westchester County scores 57 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F57 / 100

Local infrastructure snapshot

Westchester County, New York

Westchester County has 776 bridges in the National Bridge Inventory, with 83 rated poor and 32 rated scour-critical. Its poor-condition share of 10.7% is above the 9.9% statewide average. Poor-condition bridges carry about 1,325,979 daily vehicle crossings.

776Total Bridges

83Poor (10.7%)

519Fair (66.9%)

32Scour-Critical

Quote-Ready Local Facts

10.7%of county bridges are in poor condition, compared with 9.9% statewide and 6.7% nationally.

1,325,979daily vehicle crossings are on poor-condition bridges in the county.

32bridges are rated scour-critical, or 4.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Westchester County a Bridge Condition Exposure Score of 57/100 (F). The county has 776 bridges in the National Bridge Inventory, including 83 in poor condition and 32 rated scour-critical. Poor-condition bridges carry about 1,325,979 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	10.7%	21.4
Poor-condition traffic exposure	25	8.6% of measured traffic	6.4
Scour-critical bridge share	20	4.1%	8.2
Average age vs national baseline	10	64 years vs 48 nationally	6.5
Traffic-data completeness	5	15,446,375 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	10.7%
State Poor-Condition Share	9.9%
National Poor-Condition Share	6.7%
County Scour-Critical Share	4.1%
Average Bridge Age	64 years
Poor-Condition Traffic Exposure	1,325,979 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeRTE 907k over 907g X Mc Questen Avenu — 143,278 vehicles/day Oldest Listed BridgeBroadway over Kill Brook Aqueduct — built in 1861 All County BridgesBrowse every bridge record in Westchester County.

Top Bridges to Watch in Westchester County

Bridge	Reason	Condition	Daily Traffic	Year Built
RTE 987d over Saw Mill River	Poor condition + traffic exposure	Poor	43,153	1927
RTE 1 over Byram River	Poor condition + traffic exposure	Poor	14,570	1926
County Road 306 over Annsville Creek	Poor condition + traffic exposure	Poor	8,410	1927
Tompkins AVE over Mamaroneck River	Poor condition + traffic exposure	Poor	3,122	1900
Hearst Street over Saw Mill River	Poor condition + traffic exposure	Poor	2,690	1902
Locust Avenue over Blind Brook	Poor condition + traffic exposure	Poor	2,378	1928
Quaker Bridge RD over Croton River	Poor condition + traffic exposure	Poor	925	1930
Pryer Manor RD over Premium River	Poor condition + traffic exposure	Poor	223	1930
South Barry AVE over Otter Creek Tidal Basin	Poor condition + traffic exposure	Poor	97	1930
RTE 907k over 907g X Mc Questen Avenu	Poor condition + traffic exposure	Poor	143,278	1983

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.