Fairfield County, CT

840 public highway bridges

Fairfield County Bridge Snapshot

Fairfield County, Connecticut contains 840 public highway bridges in the FHWA National Bridge Inventory. Roughly 18.3% are rated “Good,” 51.7% “Fair,” 3.6% “Poor,” and 3.6% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in CT are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

840
Total Bridges
18.3%
Good
3.6%
Poor
3.6%
Structurally Deficient

Condition Distribution

Good
18.3% (154)
Fair
51.7% (434)
Poor
3.6% (30)
SD
3.6% (30)

All Bridges (840)

INTERSTATE-95

Unknown

Over: US ROUTE 1

AT I-95 EXIT NO. 55, Fairfield, CT

Built 2020 ADT: 14,800

INTERSTATE-95 SB

Unknown

Over: INTERSTATE-395 NB

1.3MI N OF ROUTE 161, Fairfield, CT

Built 1958 ADT: 12,400

INTERSTATE-395

Unknown

Over: MOOSUP RIVER & ROUTE 14

2.4 MI NORTH OF ROUTE 14A, Fairfield, CT

Built 1958 ADT: 10,000

SR 724

Unknown

Over: US 1 AND METRO NORTH

0.6 MI W OF I-95, Fairfield, CT

Built 1960 ADT: 11,600

ROUTE 94

Unknown

Over: ROUTE 17

0.13 MI WEST OF RTE 2 EB, Fairfield, CT

Built 1950 ADT: 19,000

ROUTE 2 WESTBOUND

Unknown

Over: ROUTE 149

ROUTE 2 EXIT NO 16, Fairfield, CT

Built 1959 ADT: 4,400

I-84 WB & RAMP 17

Unknown

Over: US ROUTES 6 AND 202

AT THE I-84,ROUTE 7 SPLIT, Fairfield, CT

Built 1962 ADT: 17,400

I-84 EB & US ROUTE

Unknown

Over: US ROUTES 6 AND 202

I-84 WB EXIT 4, Fairfield, CT

Built 1962 ADT: 17,400

US ROUTE 6 WB

Unknown

Over: INTERSTATE-84

75' EAST OF DANBURY TL, Fairfield, CT

Built 1962 ADT: 72,600

HOUSATONIC RR

Unknown

Over: US ROUTE 6

RT-6 0.4 MI WEST OF I-84, Fairfield, CT

Built 2003 ADT: 14,700

SR 816

Unknown

Over: I-84 & I-84 RAMP 026

I-84 EXIT 10, Fairfield, CT

Built 1962 ADT: 72,600

ROUTE 15 NB

Unknown

Over: SR 719

ROUTE 15 EXIT NO. 40, Fairfield, CT

Built 1938 ADT: 14,100

ROUTE 15 SB

Unknown

Over: SR 719

Route 15, Exit 40, Fairfield, CT

Built 1938 ADT: 14,100

US ROUTE 7 SB

Unknown

Over: I - 84 RAMP 802

.3 MI SOUTH OF I84, Fairfield, CT

Built 1962 ADT: 6,800

I-84 TR 802

Unknown

Over: INTERSTATE 84 EB

EXIT 3, ROUTES 7 & 84, Fairfield, CT

Built 1962 ADT: 33,600

US ROUTE 7 SB

Unknown

Over: INTERSTATE 84 EB

EXIT 3 INTERSTATE 84 EB, Fairfield, CT

Built 1960 ADT: 33,600

INTERSTATE 84 WB

Unknown

Over: US ROUTE 7 NORTHBOUND

JCT US 7NB AND I-84 WB, Fairfield, CT

Built 1960 ADT: 19,400

I-84 TR 803

Unknown

Over: I-84 WB,RT 7 NB,BEAVER B

US RT 7 SB TO I-84 EB, Fairfield, CT

Built 1960 ADT: 19,400

US ROUTE 7 NB

Unknown

Over: SR 805 (FEDERAL ROAD)

NB US ROUTE 7 OVER SR 805, Fairfield, CT

Built 1962 ADT: 22,100

US ROUTE 7 SB

Unknown

Over: SR 805 (FEDERAL ROAD)

0.5 MI SOUTH EXIT 11, Fairfield, CT

Built 1962 ADT: 22,100

PROSPECT AVENUE

Unknown

Over: ROUTE 8

0.1 MI S OF ROUTE 110, Fairfield, CT

Built 1950 ADT: 64,200

CORAM AVENUE

Unknown

Over: ROUTE 8

300 FT S OF ROUTE 110, Fairfield, CT

Built 1950 ADT: 64,200

ROUTE 8

Unknown

Over: HOUSATONIC RIVER, RT 110

ROUTE 8, EXIT 14, Fairfield, CT

Built 1951 ADT: 9,800

ROUND HILL ROAD

Unknown

Over: ROUTE 15

ROUTE 15 EXIT NO. 28, Fairfield, CT

Built 1935 ADT: 57,920

LAKE AVENUE

Unknown

Over: ROUTE 15

4.8 MI S OF ROUTE 104, Fairfield, CT

Built 1940 ADT: 58,300

NORTH STREET

Unknown

Over: ROUTE 15

At Route 15, Exit 31, Fairfield, CT

Built 1937 ADT: 62,720

STANWICH ROAD

Unknown

Over: ROUTE 15

7.5 MI EAST OF STATE LINE, Fairfield, CT

Built 1936 ADT: 62,900

GUINEA ROAD

Unknown

Over: ROUTE 15

1.4 MI S OF ROUTE 104, Fairfield, CT

Built 1937 ADT: 65,120

RIVER BANK ROAD

Unknown

Over: ROUTE 15

0.9 MI S OF ROUTE 104, Fairfield, CT

Built 1937 ADT: 65,120

ROUTE 15

Unknown

Over: ROUTE 104

1.2 MI S OF ROUTE 137, Fairfield, CT

Built 1936 ADT: 16,800

WIRE MILL ROAD

Unknown

Over: ROUTE 15

0.4 MI NORTH OF ROUTE 104, Fairfield, CT

Built 1938 ADT: 73,120

ROUTE 15

Unknown

Over: ROUTE 137

ROUTE 15 EXIT 35, Fairfield, CT

Built 1937 ADT: 18,400

NEWFIELD AVENUE

Unknown

Over: ROUTE 15

1.2 MI S OF ROUTE 106, Fairfield, CT

Built 1937 ADT: 74,420

PONUS RIDGE ROAD

Unknown

Over: ROUTE 15

1.0 MI S OF ROUTE 106, Fairfield, CT

Built 1937 ADT: 70,200

ROUTE 15

Unknown

Over: ROUTE 106

ROUTE 15 EXIT NO. 36, Fairfield, CT

Built 1937 ADT: 11,200

ROUTE 124

Unknown

Over: ROUTE 15

EXIT 37 ROUTE 15, Fairfield, CT

Built 1937 ADT: 72,920

WHITE OAK SHADE RD

Unknown

Over: ROUTE 15

OVER ROUTE 15, Fairfield, CT

Built 1938 ADT: 72,920

ROUTE 15

Unknown

Over: ROUTE 123

ROUTE 15 EXIT NO. 38, Fairfield, CT

Built 1937 ADT: 12,800

COMSTOCK HILL AVEN

Unknown

Over: ROUTE 15

0.8 MI S OF US ROUTE 7, Fairfield, CT

Built 1938 ADT: 77,620

WEST ROCKS ROAD

Unknown

Over: ROUTE 15

RTE 15 UNDER WEST ROCK RD, Fairfield, CT

Built 1938 ADT: 56,400

EAST ROCKS ROAD

Unknown

Over: ROUTE 15

1.54 MI SO OF WESTPORT TL, Fairfield, CT

Built 1938 ADT: 56,400

GRUMMAN AVENUE

Unknown

Over: ROUTE 15

1.39 MILES NORTH OF US 7, Fairfield, CT

Built 1938 ADT: 56,400

ROUTE 15

Unknown

Over: ROUTE 53

1.1 MI S OF ROUTE 33, Fairfield, CT

Built 1937 ADT: 3,900

NEWTOWN TURNPIKE

Unknown

Over: ROUTE 15

0.4 MI S OF ROUTE 33, Fairfield, CT

Built 1939 ADT: 59,320

CLINTON AVENUE

Unknown

Over: ROUTE 15

RT 15 BETWEEN EXITS 41&42, Fairfield, CT

Built 1940 ADT: 68,420

ROUTE 15

Unknown

Over: ROUTE 57

ROUTE 15 EXIT 42, Fairfield, CT

Built 1938 ADT: 16,900

ROUTE 15

Unknown

Over: ROUTE 136

1.8 MI WEST TOWN LINE, Fairfield, CT

Built 1938 ADT: 7,100

NORTH AVENUE #1

Unknown

Over: ROUTE 15

1.1 MI W OF TOWN LINE, Fairfield, CT

Built 1939 ADT: 657,000

MERWINS LANE

Unknown

Over: ROUTE 15

3 MILES EAST OF EXIT 42, Fairfield, CT

Built 1940 ADT: 66,420

REDDING ROAD

Unknown

Over: ROUTE 15

1 MI EAST OF WESTPORT TL, Fairfield, CT

Built 1939 ADT: 66,420

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial