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)

Sort:

BULLET HILL ROAD

Over: INTERSTATE 84 & RAMP 40

0.3 MI W OF US ROUTE 6, New Haven, CT

Built 1963 ADT: 66,400

INTERSTATE 84 EB

Over: US RTE 6, RTE 67, STREAM

INTERSTATE-84 EXIT 15, New Haven, CT

Built 1963 ADT: 15,800

INTERSTATE 84 WB

Over: US RTE 6, RTE 67, STREAM

I-84 WB EXIT NO. 15, New Haven, CT

Built 1963 ADT: 15,800

BUCKS HILL ROAD

Over: INTERSTATE 84

.7 MI WEST OF ROUTE 188, New Haven, CT

Built 1964 ADT: 72,100

INTERSTATE 84 EB

Over: ROUTE 188

EXIT 16 FROM I-84, New Haven, CT

Built 1964 ADT: 9,900

INTERSTATE 84 WB

Over: ROUTE 188

EXIT 16 FROM I-84, New Haven, CT

Built 1964 ADT: 9,900

BENSON ROAD

Over: INTERSTATE 84

0.8 MI EAST OF ROUTE 188, New Haven, CT

Built 1964 ADT: 71,100

CHRISTIAN ROAD

Over: INTERSTATE 84

1.4 MI EAST OF EXIT 16, New Haven, CT

Built 1964 ADT: 73,700

SOUTH STREET

Over: INTERSTATE 84

2.3 MI E SOUTHBURY TL, New Haven, CT

Built 1964 ADT: 71,100

INTERSTATE 84 EB

Over: ROUTE 188

.7 MI WEST OF ROUTE 63, New Haven, CT

Built 1964 ADT: 4,000

INTERSTATE 84 WB

Over: ROUTE 188

.7 MI W OF EXIT 17, New Haven, CT

Built 1964 ADT: 4,000

INTERSTATE 84 EB

Over: ROUTE 63

.5 MI S OF JCT 63 & 64, New Haven, CT

Built 1964 ADT: 13,200

INTERSTATE 84 WB

Over: ROUTE 63

1 MI S OF INT 63 & 64, New Haven, CT

Built 1964 ADT: 13,200

HARPERS FERRY ROAD

Over: INTERSTATE-84

I-84 EXIT NO. 25, New Haven, CT

Built 2018 ADT: 86,700

AUSTIN ROAD

Over: INTERSTATE 84

I-84 EB EXIT 25A, New Haven, CT

Built 1961 ADT: 84,100

MARION ROAD

Over: INTERSTATE 84

1.8 MI E ROUTE 70, New Haven, CT

Built 1961 ADT: 106,300

AMTRAK RAILROAD

Over: ROUTE 146

3.5 MILES S. GUILFORD TL, New Haven, CT

Built 1917 ADT: 1,400

AMTRAK RAILROAD

Over: ROUTE 146

100' S OF SAM HILL ROAD, New Haven, CT

Built 1900 ADT: 3,200

WHEELERS FARMS RD.

Over: SR 796

0.2 MI N OF I-95, New Haven, CT

Built 1941 ADT: 59,100

ROUTE 8 RAMP 079

Over: SR 846 NORTHBOUND

RTE 8 SOUTHBOUND EXIT 34, New Haven, CT

Built 1965 ADT: 5,300

ROUTE 8

Over: SR 846 NORTHBOUND

0.6 MILES NORTH OF I-84, New Haven, CT

Built 1965 ADT: 5,300

ROUTE 8 SOUTHBOUND

Over: ROUTE 73 WESTBOUND

1.1MI NO OF INTERSTATE-84, New Haven, CT

Built 1965 ADT: 13,800

SR 845 (CHASE PARK

Over: INTERSTATE 84 & RAMP 053

CHASE PRKWY AT I-84 EX 18, New Haven, CT

Built 1965 ADT: 79,200

ROUTE 15 NB

Over: INTERSTATE-91 & RAMP 145

2.8 MILES NORTH OF RTE 5, New Haven, CT

Built 1964 ADT: 2,700

I-91 RAMP 145

Over: ROUTE 15 SOUTHBOUND

0.8 MI S OF I-91, New Haven, CT

Built 1964 ADT: 35,900

EAST MAIN STREET

Over: I-91,ROUTE 15 & RAMP 147

ROUTE 15 & I91 MERGE, New Haven, CT

Built 1965 ADT: 93,100

I-91 TR 811

Over: ROUTE 15 SOUTHBOUND

.12M S OF JCT I-91SB, New Haven, CT

Built 1964 ADT: 24,900

ROUTE 15 NB

Over: INTERSTATE-91 & TR 3

ADJ TO EXIT#68 TO I691 WB, New Haven, CT

Built 1964 ADT: 47,800

INTERSTATE-691 EB

Over: ROUTE 15

02 MI WEST EXIT ROUTE 15, New Haven, CT

Built 1965 ADT: 23,900

INTERSTATE-691 WB

Over: ROUTE 15

2 MI WEST OF RTE 15 EXIT, New Haven, CT

Built 1965 ADT: 23,900

INTERSTATE-691 EB

Over: INTERSTATE-91

03 WEST OF ACCESS I-91NB, New Haven, CT

Built 1965 ADT: 81,400

INTERSTATE-691 WB

Over: INTERSTATE-91

500' EAST EXIT 10-691 WB., New Haven, CT

Built 1965 ADT: 81,400

INTERSTATE-691 EB

Over: INTERSTATE-691 TR 802

ROUTE 691 OVER TR 802, New Haven, CT

Built 1965 ADT: 18,200

INTERSTATE 691 EB

Over: I-91 TR 813

66 EASTBOUND OVER 91813, New Haven, CT

Built 1965 ADT: 5,000

I-91 TR 816

Over: ROUTE 66 WB

.25 MILES EAST OF EXIT 10, New Haven, CT

Built 1965 ADT: 15,200

ROUTE 68

Over: AMTRAK & US ROUTE 5

3 MILE WEST OF I-91 X-CRS, New Haven, CT

Built 1965 ADT: 22,800

PEDESTRIAN WALK

Over: INTERSTATE 691

0.21 MILES EAST OF RT 322, New Haven, CT

Built 1971 ADT: 66,600

ROUTE 71

Over: INTERSTATE-691

.5 MI WEST OF LEWIS AVE, New Haven, CT

Built 1971 ADT: 66,900

I-691 RAMP 009

Over: I-691RMP 008,COLUMBIA ST

OVER ENT RAMP FROM LEWIS, New Haven, CT

Built 1971 ADT: 8,100

INTERSTATE-691 EB

Over: US ROUTE 5

1.3 MI W OF I-91, New Haven, CT

Built 1971 ADT: 20,800

INTERSTATE-691 WB

Over: US ROUTE 5

I 691 WB OVER ROUTE 5, New Haven, CT

Built 1971 ADT: 20,800

US ROUTE 5

Over: I-91, AMTRAK, RAMP B

0.36N OF RTE 22 BISHOP ST, New Haven, CT

Built 1973 ADT: 88,600

INTERSTATE-91 NB

Over: MILL RV-STATE ST RMP 140

1.4 MI N OF I-95, New Haven, CT

Built 1965 ADT: 4,100

I-91 NB RAMP 141

Over: I-91 NB RAMP 140

I91 NB OFF RAMP TO WILLOW, New Haven, CT

Built 1965 ADT: 4,100

INTERSTATE-91 SB

Over: STATE ST MILL RIV RAMPS

1.4 MI N OF I-95, New Haven, CT

Built 1965 ADT: 4,000

WILLOW STREET

Over: I91 RMPS 139&141,MILL RV

EXIT # 6 OFF I-91 NB, New Haven, CT

Built 1965 ADT: 4,200

I-91 RAMP 142

Over: INTERSTATE-91 RAMP 143

EXIT 6 I-91 SB(WILLOW ST), New Haven, CT

Built 1965 ADT: 3,400

INTERSTATE-91 NB

Over: US 5 & AMTRAK & FERRY ST

1.1 MI S OF ROUTE 17, New Haven, CT

Built 1964 ADT: 13,900

INTERSTATE-91 SB

Over: US 5 & AMTRAK & FERRY ST

1.0 MI S OF ROUTE 17, New Haven, CT

Built 1964 ADT: 13,900

INTERSTATE-91 SB

Over: I-91 TR 801 & SR 724 EB

AT JCT OF RTE I 91 & I 95, New Haven, CT

Built 1965 ADT: 15,200

Read our methodology - how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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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.