Sussex County Bridge Report Card

Sussex County scores 48 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F48 / 100

Local infrastructure snapshot

Sussex County, New Jersey

Sussex County has 172 bridges in the National Bridge Inventory, with 15 rated poor and 36 rated scour-critical. Its poor-condition share of 8.7% is above the 5.8% statewide average. Poor-condition bridges carry about 99,223 daily vehicle crossings.

172Total Bridges

15Poor (8.7%)

116Fair (67.4%)

36Scour-Critical

Quote-Ready Local Facts

8.7%of county bridges are in poor condition, compared with 5.8% statewide and 6.7% nationally.

99,223daily vehicle crossings are on poor-condition bridges in the county.

36bridges are rated scour-critical, or 20.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Sussex County a Bridge Condition Exposure Score of 48/100 (F). The county has 172 bridges in the National Bridge Inventory, including 15 in poor condition and 36 rated scour-critical. Poor-condition bridges carry about 99,223 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	8.7%	17.4
Poor-condition traffic exposure	25	10.3% of measured traffic	7.7
Scour-critical bridge share	20	20.9%	20.0
Average age vs national baseline	10	65 years vs 48 nationally	6.9
Traffic-data completeness	5	960,348 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	8.7%
State Poor-Condition Share	5.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	20.9%
Average Bridge Age	65 years
Poor-Condition Traffic Exposure	99,223 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeUS 206 over Br. Pequest River — 19,759 vehicles/day Oldest Listed BridgeCR 631 over Wallkill River — built in 1875 All County BridgesBrowse every bridge record in Sussex County.

Top Bridges to Watch in Sussex County

Bridge	Reason	Condition	Daily Traffic	Year Built
Nj 15 over Beaver Run(paulins Kill)	Poor condition + traffic exposure	Poor	19,298	1915
US 206 over Big Flat Brook	Poor condition + traffic exposure	Poor	16,806	1929
Mudtown Road over Clove Brook	Poor condition + traffic exposure	Poor	700	1915
Cr675 (degroat Rd) over Little Flat Brook	Poor condition + traffic exposure	Poor	365	1942
Roy Road over Papakating Creek	Poor condition + traffic exposure	Poor	208	1939
US 206 over Br. Pequest River	Poor condition + traffic exposure	Poor	19,759	1910
US 206 over Dry Brook	Poor condition + traffic exposure	Poor	15,621	1940
US 206 over Little Flat Brook	Poor condition + traffic exposure	Poor	11,687	1929
Nj 23 over Mill Brook	Poor condition + traffic exposure	Poor	6,227	1962
Blue Heron Rd. over New Jersey 15	Poor condition + traffic exposure	Poor	3,455	1973

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.