New Haven County, CT

891 public highway bridges

New Haven County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, New Haven County, Connecticut contains 891 public highway bridges. Roughly 25.7% are rated “Good,” 45.2% “Fair,” and 2.6% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

891
Total Bridges
25.7%
Good
45.2%
Fair
2.6%
Poor Condition

Condition Distribution

Good
25.7% (229)
Fair
45.2% (403)
Poor
2.6% (23)

All Bridges (891)

NOROTON AVENUE

Unknown

Over: INTERSTATE 95

AT EXIT 10, New Haven, CT

Built 1958 ADT: 119,100

I-95 & I-95 RAMP 1

Unknown

Over: I-95 RAMPS 115 & 117

1.7 MI N OF ROUTE 130, New Haven, CT

Built 1957 ADT: 1,600

PLAINS ROAD NO. 1

Unknown

Over: INTERSTATE-95

0.9 MI S OF SR 796, New Haven, CT

Built 1957 ADT: 92,700

HIGH STREET

Unknown

Over: I-95 & I-95 SB TR 807

0.1 MI S OF SR 796, New Haven, CT

Built 1957 ADT: 7,000

INTERSTATE-95

Unknown

Over: SR 796 (MILFORD PARKWAY)

I-95 EXIT NO 38, New Haven, CT

Built 1957 ADT: 35,200

WEST RIVER STREET

Unknown

Over: INTERSTATE-95

0.2 MI S OF ROUTE 121, New Haven, CT

Built 1958 ADT: 113,500

INTERSTATE-95

Unknown

Over: ROUTE 121

0.8 MI S OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 6,800

FOREST ROAD

Unknown

Over: INTERSTATE-95

.2 MI S OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 113,500

INTERSTATE-95

Unknown

Over: US ROUTE 1

EXIT 39A & 39B I-95, New Haven, CT

Built 1958 ADT: 24,900

QUARRY ROAD

Unknown

Over: INTERSTATE-95

1.7 MI N OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 107,000

MARSH HILL ROAD

Unknown

Over: I-95 & I-95 RAMP 352

0.8 MI S OF US1, New Haven, CT

Built 2001 ADT: 5,500

MORGAN LANE

Unknown

Over: INTERSTATE 95

1.2 MI S OF ROUTE 162, New Haven, CT

Built 1957 ADT: 107,900

INTERSTATE 95

Unknown

Over: ROUTE 162

I-95 AT EXIT 42, New Haven, CT

Built 2005 ADT: 18,800

STEVENS AVENUE

Unknown

Over: INTERSTATE 95

0.7 MI N OF ROUTE 162, New Haven, CT

Built 1957 ADT: 114,100

INTERSTATE-95

Unknown

Over: SR 745 (FIRST AVENUE)

0.9 MI S OF ROUTE 10, New Haven, CT

Built 1956 ADT: 16,600

INTERSTATE-95

Unknown

Over: WEST RIVER & SR 745

0.5 MI S OF RT 10, New Haven, CT

Built 2018 ADT: 15,000

HOWARD AVENUE

Unknown

Over: INTERSTATE-95

0.2 MI N OF ROUTE 10, New Haven, CT

Built 2010 ADT: 131,200

I-95 TR 812

Unknown

Over: I95, I91,SR724EB,TR801

EXIT 47 OFF I-95 NB, New Haven, CT

Built 2011 ADT: 85,400

INTERSTATE 95

Unknown

Over: I91NB,US1,SR724 & RAMPS

OVER WATER STREET, New Haven, CT

Built 2013 ADT: 4,200

SR 724 Westbound

Unknown

Over: INTERSTATE 91 & US 1

0.2 MI N OF ROUTE 34, New Haven, CT

Built 2016 ADT: 9,800

INTERSTATE 95 NORT

Unknown

Over: US1,QUINNIPIAC RV,P&W RR

OVER QUINNIPIAC RIVER, New Haven, CT

Built 2014 ADT: 12,400

INTERSTATE 95 SOUT

Unknown

Over: US1,QUINNIPIAC RV,P&W RR

OVER QUINNIPIAC RIVER, New Haven, CT

Built 2015 ADT: 9,400

SR 724 Eastbound

Unknown

Over: US1, Local Rds, P&W RR

AT WEST END OF Q-BRIDGE, New Haven, CT

Built 2011 ADT: 4,600

I-95 RAMP 164

Unknown

Over: INTERSTATE-95

0.2 MI S OF ROUTE 337, New Haven, CT

Built 2006 ADT: 89,600

ROUTE 337

Unknown

Over: INTERSTATE-95

1.7 MI N OF I-91, New Haven, CT

Built 2006 ADT: 89,600

US ROUTE 1 NB

Unknown

Over: INTERSTATE-95

1.6 MI N OF I-91, New Haven, CT

Built 2006 ADT: 89,600

INTERSTATE-95

Unknown

Over: US RT. 1 SB AND AMTRAK

0.3 MI S OF ROUTE 100, New Haven, CT

Built 1958 ADT: 28,620

INTERSTATE-95

Unknown

Over: ROUTE 100

0.6 MI N OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 15,000

PRIVATE ROAD

Unknown

Over: INTERSTATE-95

0.4 MI N OF ROUTE 100, New Haven, CT

Built 2004 ADT: 84,500

HOSLEY AVENUE

Unknown

Over: INTERSTATE-95

0.5 MI N OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 84,500

INTERSTATE-95

Unknown

Over: SR 794 WESTBOUND

1.0 MI W OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 4,800

CHERRY HILL ROAD

Unknown

Over: INTERSTATE-95

0.5 MI N OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 74,800

TODDS HILL ROAD

Unknown

Over: INTERSTATE-95 & RAMP 171

0.3 MI N OF US ROUTE 1, New Haven, CT

Built 2002 ADT: 6,100

INTERSTATE-95

Unknown

Over: SR 740 (CEDAR STREET)

0.2 MI N OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 13,800

FEATHERBED LANE

Unknown

Over: INTERSTATE-95

0.3 MI S OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 65,200

LEETES ISLAND ROAD

Unknown

Over: INTERSTATE-95

0.3 MI S OF US ROUTE 1, New Haven, CT

Built 2003 ADT: 53,600

INTERSTATE-95

Unknown

Over: US ROUTE 1

I-95 EXIT NO. 57, New Haven, CT

Built 1958 ADT: 14,200

INTERSTATE-95

Unknown

Over: ROUTE 77

0.5 MI N OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 13,500

INTERSTATE-95

Unknown

Over: SR 718

1.3 MI N OF ROUTE 77, New Haven, CT

Built 1958 ADT: 10,900

TANNER MARSH ROAD

Unknown

Over: INTERSTATE-95

400 FT N. OF US ROUTE 1, New Haven, CT

Built 1958 ADT: 54,500

WILDWOOD AVE. #1

Unknown

Over: INTERSTATE-95

1.9 MI S OF ROUTE 79, New Haven, CT

Built 1957 ADT: 54,500

MUNGERTOWN ROAD

Unknown

Over: INTERSTATE-95

0.5 MI N OF US ROUTE 1, New Haven, CT

Built 1957 ADT: 54,500

ROUTE 79

Unknown

Over: INTERSTATE-95

I-95 EXIT NO. 61, New Haven, CT

Built 1957 ADT: 53,600

HORSEPOND ROAD

Unknown

Over: INTERSTATE-95

0.9 MI N OF ROUTE 79, New Haven, CT

Built 1957 ADT: 53,200

NEW ROAD

Unknown

Over: INTERSTATE-95

1.4 MI N OF ROUTE 79, New Haven, CT

Built 1957 ADT: 53,200

SSR 450

Unknown

Over: INTERSTATE-95

1.2 MI N OF US ROUTE 1, New Haven, CT

Built 1957 ADT: 50,400

CANTERBURY TURNPKE

Unknown

Over: INTERSTATE-395

.2 MI SOUTH OF ROUTE 97, New Haven, CT

Built 1958 ADT: 42,400

SR 796

Unknown

Over: US ROUTE 1

0.4 MI S OF I95, New Haven, CT

Built 1941 ADT: 17,300

AMTRAK NE CORRIDOR

Unknown

Over: US ROUTE 1

200 FT N OF ROUTE 142, New Haven, CT

Built 1928 ADT: 25,300

PRIVATE RAILROAD

Unknown

Over: US ROUTE 1

0.3 MI N OF ROUTE 139, New Haven, CT

Built 1913 ADT: 7,500
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.