Fairfield County, CT

840 public highway bridges

Fairfield County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Fairfield County, Connecticut contains 840 public highway bridges. Roughly 18.3% are rated “Good,” 51.7% “Fair,” and 3.6% “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.

840
Total Bridges
18.3%
Good
51.7%
Fair
3.6%
Poor Condition

Condition Distribution

Good
18.3% (154)
Fair
51.7% (434)
Poor
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
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.