Lewis County Bridge Report Card

Lewis County scores 44 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F44 / 100

Local infrastructure snapshot

Lewis County, New York

Lewis County has 168 bridges in the National Bridge Inventory, with 26 rated poor and 17 rated scour-critical. Its poor-condition share of 15.5% is above the 9.9% statewide average. Poor-condition bridges carry about 7,817 daily vehicle crossings.

168Total Bridges

26Poor (15.5%)

84Fair (50.0%)

17Scour-Critical

Quote-Ready Local Facts

15.5%of county bridges are in poor condition, compared with 9.9% statewide and 6.7% nationally.

7,817daily vehicle crossings are on poor-condition bridges in the county.

17bridges are rated scour-critical, or 10.1% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Lewis County a Bridge Condition Exposure Score of 44/100 (F). The county has 168 bridges in the National Bridge Inventory, including 26 in poor condition and 17 rated scour-critical. Poor-condition bridges carry about 7,817 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	15.5%	31.0
Poor-condition traffic exposure	25	4.9% of measured traffic	3.7
Scour-critical bridge share	20	10.1%	20.0
Average age vs national baseline	10	52 years vs 48 nationally	1.8
Traffic-data completeness	5	158,265 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	15.5%
State Poor-Condition Share	9.9%
National Poor-Condition Share	6.7%
County Scour-Critical Share	10.1%
Average Bridge Age	52 years
Poor-Condition Traffic Exposure	7,817 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeRTE 12 over Mill Creek — 2,290 vehicles/day Oldest Listed BridgeMcalpine Street over Black River Canal — built in 1865 All County BridgesBrowse every bridge record in Lewis County.

Top Bridges to Watch in Lewis County

Bridge	Reason	Condition	Daily Traffic	Year Built
Schibley Road over Moose River	Poor condition + traffic exposure	Poor	250	1964
Whitesville Road over Shingle Gulf	Poor condition + traffic exposure	Poor	238	1956
Sweeney Road over Big Alder Creek	Poor condition + traffic exposure	Poor	45	1981
Statzer Road over Point Rock Creek	Poor condition + traffic exposure	Poor	28	1987
Abandoned G & W Rr over Fish Creek	Poor condition + traffic exposure	Poor	20	1920
Partridgeville RD over Otter Creek	Poor condition + traffic exposure	Poor	14	1978
Bailey Road over Independence River	Poor condition + traffic exposure	Poor	2	1900
RTE 12 over Mill Creek	Poor condition + traffic exposure	Poor	2,290	1927
RTE 26 over Roaring Brook	Poor condition + traffic exposure	Poor	1,961	1978
RTE 410 over Black River	Poor condition + traffic exposure	Poor	1,400	1955

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.