New London County Bridge Report Card

New London County scores 73 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

C73 / 100

Local infrastructure snapshot

New London County, Connecticut

New London County has 442 bridges in the National Bridge Inventory, with 23 rated poor and 19 rated scour-critical. Its poor-condition share of 5.2% is above the 4.8% statewide average. Poor-condition bridges carry about 273,100 daily vehicle crossings.

442Total Bridges

23Poor (5.2%)

298Fair (67.4%)

19Scour-Critical

Quote-Ready Local Facts

5.2%of county bridges are in poor condition, compared with 4.8% statewide and 6.7% nationally.

273,100daily vehicle crossings are on poor-condition bridges in the county.

19bridges are rated scour-critical, or 4.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives New London County a Bridge Condition Exposure Score of 73/100 (C). The county has 442 bridges in the National Bridge Inventory, including 23 in poor condition and 19 rated scour-critical. Poor-condition bridges carry about 273,100 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	5.2%	10.4
Poor-condition traffic exposure	25	6.1% of measured traffic	4.6
Scour-critical bridge share	20	4.3%	8.6
Average age vs national baseline	10	55 years vs 48 nationally	3.1
Traffic-data completeness	5	4,477,939 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	5.2%
State Poor-Condition Share	4.8%
National Poor-Condition Share	6.7%
County Scour-Critical Share	4.3%
Average Bridge Age	55 years
Poor-Condition Traffic Exposure	273,100 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeInterstate-95 over Route 161 — 59,100 vehicles/day Oldest Listed BridgeParks Road over Broad Brook — built in 1900 All County BridgesBrowse every bridge record in New London County.

Top Bridges to Watch in New London County

Bridge	Reason	Condition	Daily Traffic	Year Built
US RTE 1 W Broad S over Pawcatuck River	Poor condition + traffic exposure	Poor	16,400	1932
Interstate-95 over Route 161	Poor condition + traffic exposure	Poor	59,100	1958
Interstate 95 Nort over Thames Rv Rr Local Roads	Poor condition + traffic exposure	Poor	42,600	1943
Interstate-395 over Bishop Crossing RD	Poor condition + traffic exposure	Poor	34,800	1958
Interstate-95 SB over Route 12	Poor condition + traffic exposure	Poor	33,500	1964
Interstate-95 Sout over Groton Reservoir	Poor condition + traffic exposure	Poor	30,500	1964
Route 32 over New England Central Rr.	Poor condition + traffic exposure	Poor	11,800	1941
Route 2 Eastbound over Route 85	Poor condition + traffic exposure	Poor	11,200	1966
New London Tpke over Yantic River	Poor condition + traffic exposure	Poor	7,400	1963
US Route 1 NB over I-95 Ramp 310 SR 641 SB	Poor condition + traffic exposure	Poor	6,100	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.