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)

ROUTE 15

Fair

Over: SILVERMINE RIVER

0.5 MI S OF U.S. ROUTE 7, Fairfield, CT

Built 1958 Load: 35.0 t ADT: 108,000

CAMP AVENUE

Fair

Over: SPRINGDALE BROOK

WEST OF HIGHVIEW AVENUE, Fairfield, CT

Built 1957 Load: 35.0 t ADT: 9,230

WHITE STREET

Fair

Over: HOUSATONIC RR

AT JCT FEDERAL ROAD, Fairfield, CT

Built 1915 Load: 35.3 t ADT: 22,068

ROUTE 123

Fair

Over: FIVE MILE RIVER

100' NO OF FOREST ST JCT, Fairfield, CT

Built 1962 Load: 35.5 t ADT: 8,400

INTERSTATE 84 WB

Fair

Over: ALPINE DRIVE

.5 MI SO OF SOUTHBURY TL, Fairfield, CT

Built 1978 Load: 35.5 t ADT: 37,800

INTERSTATE-95

Fair

Over: WEST AVENUE

160 FT N OF US ROUTE 7, Fairfield, CT

Built 1956 Load: 35.6 t ADT: 108,000

INTERSTATE-95

Fair

Over: METRO NORTH & CITY ST'S

BETWEEN EXITS 26 & 27, Fairfield, CT

Built 1999 Load: 35.6 t ADT: 133,800

ROUTE 37

Fair

Over: QUAKER BROOK

.5MI S OF HARDSCRABBLE RD, Fairfield, CT

Built 1957 Load: 35.6 t ADT: 2,900

N PORCHUCK ROAD

Fair

Over: E BRANCH OF BYRAM RIVER

.7M NW OF EX 28 ROUTE 15, Fairfield, CT

Built 2006 Load: 35.9 t ADT: 228

SR 712 BRIDGE ST.

Fair

Over: HOUSATONIC RR & LOCAL RD

50' EAST FROM ROUTE 110, Fairfield, CT

Built 1973 Load: 36.0 t ADT: 10,200

US ROUTE 7 SB

Fair

Over: CONNECTICUT AVENUE

0.6 MI N OF I-95, Fairfield, CT

Built 1970 Load: 36.0 t ADT: 27,500

ROUTE 39

Fair

Over: WIMISINK BROOK

ROUTE 55 JUNCTION, Fairfield, CT

Built 1934 Load: 36.3 t ADT: 1,100

INTERSTATE 84 EB

Fair

Over: HANOVER ROAD

1.6 MI WEST OF SR 816, Fairfield, CT

Built 1960 Load: 36.3 t ADT: 38,000

SURF AVENUE

Fair

Over: BROOK

330 FEET NORTH OF I-95, Fairfield, CT

Built 1955 Load: 36.3 t ADT: 11,220

ROUTE 106

Fair

Over: NOROTON RIVER

1.3 MILE N. OF US ROUTE 1, Fairfield, CT

Built 1968 Load: 36.6 t ADT: 8,300

ROUTE 8 SOUTHBOUND

Fair

Over: NORTH WASHINGTON AVENUE

1.7 MI N OF I-95, Fairfield, CT

Built 1970 Load: 36.6 t ADT: 46,000

STONY HILL ROAD

Fair

Over: HOUSATONIC RR

0.5 MI SO JCT GRAYS BR RD, Fairfield, CT

Built 1936 Load: 36.6 t ADT: 5,000

ROUTE 25 NB

Fair

Over: WHITNEY AVENUE

1.0 MI S OF ROUTE 111, Fairfield, CT

Built 1980 Load: 36.6 t ADT: 18,900

INTERSTATE 684 SB

Fair

Over: TAMARACK SWAMP

.46 MI NORTH OF N.Y. S.L., Fairfield, CT

Built 1968 Load: 36.7 t ADT: 35,050

INTERSTATE-95

Fair

Over: MILL RIVER

EXIT 20, Fairfield, CT

Built 1958 Load: 36.9 t ADT: 115,800

BURNELL BLVD

Fair

Over: METRO-NORTH & NORWALK RV

0.1 MILE WEST OF MAIN ST., Fairfield, CT

Built 1965 Load: 36.9 t ADT: 4,909

PARMALEE HILL ROAD

Fair

Over: HOUSATONIC RR

PARMALEE HLL RD O/RR, Fairfield, CT

Built 1989 Load: 37.2 t ADT: 300

INTERSTATE 84 WB

Fair

Over: STILL RIVER

500' EAST OF EXIT 7, Fairfield, CT

Built 1962 Load: 37.3 t ADT: 33,100

INTERSTATE 84 EB

Fair

Over: STILL RIVER

I-84 EB EXIT 8, Fairfield, CT

Built 1962 Load: 37.3 t ADT: 48,900

WEST AVENUE

Fair

Over: NOROTON RIVER

0.3 MI EAST OF ROUTE 106, Fairfield, CT

Built 1957 Load: 37.3 t ADT: 7,110

OLD RIDGEFIELD RD

Fair

Over: NORWALK RIVER

WILTON CENTER, Fairfield, CT

Built 1955 Load: 37.4 t ADT: 392

I-95 SB RAMP 305

Fair

Over: NORTH FRONTAGE ROAD

EXIT 27 OFF I-95 SB, Fairfield, CT

Built 1959 Load: 37.6 t ADT: 1,700

ROUTE 37

Fair

Over: SAWMILL BROOK

.25 MI S OF RTE 39 N JCT., Fairfield, CT

Built 2001 Load: 37.6 t ADT: 4,000

ROUTE 25 TR 801

Fair

Over: RESERVOIR AVENUE

JCT RTE 15(25NB TO 15SB), Fairfield, CT

Built 1980 Load: 37.6 t ADT: 10,600

U.S. ROUTE 7

Fair

Over: TRIBUTARY BROOK/ WETLAND

1.26 MI NORTH O ROUTE 202, Fairfield, CT

Built 2009 Load: 37.6 t ADT: 25,100

SOUNDVIEW AVENUE

Fair

Over: CUMMINGS BROOK

NEXT TO TUPPER DRIVE, Fairfield, CT

Built 1933 Load: 37.9 t ADT: 1,220

SR 806 (NEWTOWN RD

Fair

Over: STILL RIVER

1.4 MI W OF ROUTE 6, Fairfield, CT

Built 1928 Load: 38.0 t ADT: 16,800

INTERSTATE-95

Fair

Over: LADDINS ROCK ROAD

.1 MI WEST OF STAMFORD TL, Fairfield, CT

Built 1958 Load: 38.2 t ADT: 121,100

INTERSTATE 84 WB

Fair

Over: HANOVER ROAD

1.6 MI WEST OF SR 816, Fairfield, CT

Built 1962 Load: 38.2 t ADT: 38,400

ROUTE 8 SB RAMP 2

Fair

Over: GRAND STREET

EXIT 3 ROUTE 8 SB, Fairfield, CT

Built 1969 Load: 38.2 t ADT: 10,100

SR860 MILE HILL RD

Fair

Over: HOUSATONIC RAILROAD

ENTRANCE TO HOSPITAL, Fairfield, CT

Built 1957 Load: 38.2 t ADT: 12,300

CAMP AVENUE

Fair

Over: NOROTON RIVER

0.2 MI WEST OF ROUTE 106, Fairfield, CT

Built 1947 Load: 38.2 t ADT: 8,650

ROUTE 8 NORTHBOUND

Fair

Over: NORTH WASHINGTON AVENUE

1.7 MI N OF I-95, Fairfield, CT

Built 1970 Load: 38.6 t ADT: 53,700

U.S. ROUTE 7 NB

Fair

Over: NORWALK RIVER

1.3 MILE NORTH OF I-95, Fairfield, CT

Built 1970 Load: 38.6 t ADT: 26,200

ROUTE 25 TR 802

Fair

Over: PEQUONNOCK RIVER

RAMP FROM 25 SB TO 15 NB, Fairfield, CT

Built 1980 Load: 38.6 t ADT: 7,400

INTERSTATE-95

Fair

Over: CHURCH STREET

0.5 MI N OF ROUTE 130, Fairfield, CT

Built 1958 Load: 38.9 t ADT: 96,600

ROUTE 8 SOUTHBOUND

Fair

Over: WELLS STREET

1.9 MI N OF I 95, Fairfield, CT

Built 1970 Load: 38.9 t ADT: 55,900

CORNELL ROAD

Fair

Over: ROOSTER RIVER

1 MILE SOUTH OF ROUTE 59, Fairfield, CT

Built 1933 Load: 38.9 t ADT: 5,070

MIRY BROOK ROAD

Fair

Over: MIRY BROOK

50' EAST OF PINE MTN RD, Fairfield, CT

Built 1955 Load: 39.0 t ADT: 5,470

BRIDGE STREET

Fair

Over: METRO-NORTH RAILROAD

495 FT N OF ROUTE 136, Fairfield, CT

Built 1900 Load: 39.0 t ADT: 1,037

US ROUTE 1+SR 722

Fair

Over: PEQUONNOCK RIVER

0.2 MI E OF ROUTE 8, Fairfield, CT

Built 1972 Load: 39.2 t ADT: 40,100

ROUTE 8NB & TR806

Fair

Over: WARREN STREET

0.2 MI OFF EXIT 27A I-95, Fairfield, CT

Built 1969 Load: 39.5 t ADT: 21,500

ROUTE 8 NORTHBOUND

Fair

Over: GRAND STREET

1.6 MI N OF I-95, Fairfield, CT

Built 1969 Load: 39.5 t ADT: 52,100

HIGHLAND AVE NO 1

Fair

Over: METRO NORTH RAILROAD

0.9 MI N OF ROUTE 136, Fairfield, CT

Built 1982 Load: 39.5 t ADT: 4,200

HILLS POINT ROAD

Fair

Over: METRO NORTH RAILROAD

100 FT S OF I-95, Fairfield, CT

Built 1900 Load: 39.5 t ADT: 4,350

Related

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