Sussex County Bridge Report Card

Sussex County scores 81 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B81 / 100

Local infrastructure snapshot

Sussex County, Delaware

Sussex County has 154 bridges in the National Bridge Inventory, with 3 rated poor and 10 rated scour-critical. Its poor-condition share of 1.9% is above the 1.1% statewide average. Poor-condition bridges carry about 11,738 daily vehicle crossings.

154Total Bridges

3Poor (1.9%)

90Fair (58.4%)

10Scour-Critical

Quote-Ready Local Facts

1.9%of county bridges are in poor condition, compared with 1.1% statewide and 6.7% nationally.

11,738daily vehicle crossings are on poor-condition bridges in the county.

10bridges are rated scour-critical, or 6.5% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Sussex County a Bridge Condition Exposure Score of 81/100 (B). The county has 154 bridges in the National Bridge Inventory, including 3 in poor condition and 10 rated scour-critical. Poor-condition bridges carry about 11,738 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	1.9%	3.9
Poor-condition traffic exposure	25	1.2% of measured traffic	0.9
Scour-critical bridge share	20	6.5%	13.0
Average age vs national baseline	10	51 years vs 48 nationally	1.3
Traffic-data completeness	5	1,004,174 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	1.9%
State Poor-Condition Share	1.1%
National Poor-Condition Share	6.7%
County Scour-Critical Share	6.5%
Average Bridge Age	51 years
Poor-Condition Traffic Exposure	11,738 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeSR 54 over Assawoman Bay — 11,464 vehicles/day Oldest Listed BridgeWillow ST over Records Pond — built in 1910 All County BridgesBrowse every bridge record in Sussex County.

Top Bridges to Watch in Sussex County

Bridge	Reason	Condition	Daily Traffic	Year Built
Cods Road over Slaughter Creek	Poor condition + traffic exposure	Poor	78	1931
SR 54 over Assawoman Bay	Poor condition + traffic exposure	Poor	11,464	1957
Craigs Mill RD over Craigs Pond Spillway	Poor condition + traffic exposure	Poor	196	1973
Seashore Hy/sr18 over Nanticoke River	Scour-critical foundation rating	Fair	11,140	1920
Zoar Rd. over Morris Mill Pond	Scour-critical foundation rating	Fair	6,149	1932
Laurel RD over James Branch	Scour-critical foundation rating	Fair	6,064	1920
Bridgeville Hgwy over Clear Brook	Scour-critical foundation rating	Fair	3,966	1919
Old Mill Bridge RD over Dirickson Creek	Scour-critical foundation rating	Fair	3,548	1961
SR 36 / Shawnee RD over Johnson Branch	Scour-critical foundation rating	Fair	3,486	1947
SR 54/cypress Rd. over Pocomoke River	Scour-critical foundation rating	Fair	1,366	1968

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.