State profile · Below median Poor share

Connecticut bridge safety

According to the Federal Highway Administration's 2024 National Bridge Inventory, condition ratings, load ratings, and Poor-condition shares for every public highway bridge in Connecticut.

4,365
Public bridges
27.8%
Good condition
4.7%
Poor condition

Connecticut holds 4,365 public highway bridges (#38 of 52 by inventory) with a 4.72% Poor share (#36 of 52 by Poor share).

That is 4.7% of the state's inventory, against an average of 7.5% across the 54 states and territories with Poor-rated bridges on file, which places it 17 of 54 ordered from the lowest Poor share upward. A bridge is rated Poor when its weakest applicable component scores 4 or below on the inspecting agency's 0-9 scale, so the category is a maintenance and funding signal rather than a closure order or a live crossing-safety verdict.

Inventory: FHWA NBI 2024 · last ETL August 2026

Total Bridges

4,365

Public highway bridges in Connecticut

Good Condition

27.8%

1,213 bridges rated 7-9

-22.2pp vs 50% benchmark

Poor Condition

4.7%

206 bridges whose lowest applicable component is rated 0-4

-2.8pp vs national avg 7.5%

Connecticut vs national bridge condition

Connecticut - Good condition share 27.8%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Connecticut - Poor-condition share 15.7%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.5%.

Connecticut in the national condition pattern

Each point is a state or territory in the FHWA NBI; the highlighted point is this profile.

Inventory size and Poor-condition share are different measures: Connecticut has 4,365 bridges and a 4.7% Poor-condition share in the 2024 NBI, rank #17 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold. Scatter plot of 54 data points. 0%10%20%30%40% 0k20k40k60k Public bridges in inventory (thousands) Poor-condition share (%) CT, Public bridges in inventory (thousands): 4.4k · Poor-condition share (%): 4.72%AL, Public bridges in inventory (thousands): 16.2k · Poor-condition share (%): 3.35%AK, Public bridges in inventory (thousands): 1.7k · Poor-condition share (%): 7.89%AZ, Public bridges in inventory (thousands): 8.6k · Poor-condition share (%): 1.15%AR, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 5.43%CA, Public bridges in inventory (thousands): 25.8k · Poor-condition share (%): 5.91%CO, Public bridges in inventory (thousands): 9k · Poor-condition share (%): 4.82%DE, Public bridges in inventory (thousands): 0.9k · Poor-condition share (%): 1.26%DC, Public bridges in inventory (thousands): 0.3k · Poor-condition share (%): 1.95%FL, Public bridges in inventory (thousands): 13k · Poor-condition share (%): 2.79%GA, Public bridges in inventory (thousands): 15.1k · Poor-condition share (%): 1.59%GU, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 12.77%HI, Public bridges in inventory (thousands): 1.2k · Poor-condition share (%): 6.53%ID, Public bridges in inventory (thousands): 4.6k · Poor-condition share (%): 4.9%IL, Public bridges in inventory (thousands): 26.9k · Poor-condition share (%): 9.35%IN, Public bridges in inventory (thousands): 19.5k · Poor-condition share (%): 5.22%IA, Public bridges in inventory (thousands): 23.7k · Poor-condition share (%): 19.16%KS, Public bridges in inventory (thousands): 24.9k · Poor-condition share (%): 5.26%KY, Public bridges in inventory (thousands): 14.5k · Poor-condition share (%): 7.37%LA, Public bridges in inventory (thousands): 12.7k · Poor-condition share (%): 11.48%ME, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 15.41%MD, Public bridges in inventory (thousands): 5.5k · Poor-condition share (%): 4.56%MA, Public bridges in inventory (thousands): 5.3k · Poor-condition share (%): 8.88%MI, Public bridges in inventory (thousands): 11.4k · Poor-condition share (%): 11.27%MN, Public bridges in inventory (thousands): 13.5k · Poor-condition share (%): 4.44%MS, Public bridges in inventory (thousands): 16.7k · Poor-condition share (%): 6.03%MO, Public bridges in inventory (thousands): 24.6k · Poor-condition share (%): 8.95%MT, Public bridges in inventory (thousands): 5.2k · Poor-condition share (%): 6.81%NE, Public bridges in inventory (thousands): 15.4k · Poor-condition share (%): 7.9%NV, Public bridges in inventory (thousands): 2.1k · Poor-condition share (%): 1.14%NH, Public bridges in inventory (thousands): 2.5k · Poor-condition share (%): 7.51%NJ, Public bridges in inventory (thousands): 6.8k · Poor-condition share (%): 6.01%NM, Public bridges in inventory (thousands): 4k · Poor-condition share (%): 4.51%NY, Public bridges in inventory (thousands): 17.6k · Poor-condition share (%): 9.43%NC, Public bridges in inventory (thousands): 19.2k · Poor-condition share (%): 6.76%ND, Public bridges in inventory (thousands): 4.3k · Poor-condition share (%): 10.98%OH, Public bridges in inventory (thousands): 26.7k · Poor-condition share (%): 4.74%OK, Public bridges in inventory (thousands): 22.9k · Poor-condition share (%): 7.7%OR, Public bridges in inventory (thousands): 8.3k · Poor-condition share (%): 4.61%PA, Public bridges in inventory (thousands): 23.3k · Poor-condition share (%): 12.58%PR, Public bridges in inventory (thousands): 2.4k · Poor-condition share (%): 13.92%RI, Public bridges in inventory (thousands): 0.8k · Poor-condition share (%): 15.2%SC, Public bridges in inventory (thousands): 9.5k · Poor-condition share (%): 6.17%SD, Public bridges in inventory (thousands): 5.9k · Poor-condition share (%): 16.36%TN, Public bridges in inventory (thousands): 20.4k · Poor-condition share (%): 4.41%TX, Public bridges in inventory (thousands): 56.7k · Poor-condition share (%): 1.23%UT, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 2.91%VT, Public bridges in inventory (thousands): 2.9k · Poor-condition share (%): 2.9%VI, Public bridges in inventory (thousands): 0k · Poor-condition share (%): 29.17%VA, Public bridges in inventory (thousands): 14.1k · Poor-condition share (%): 3.39%WA, Public bridges in inventory (thousands): 8.5k · Poor-condition share (%): 5.45%WV, Public bridges in inventory (thousands): 7.3k · Poor-condition share (%): 18.64%WI, Public bridges in inventory (thousands): 14.4k · Poor-condition share (%): 6.52%WY, Public bridges in inventory (thousands): 3.1k · Poor-condition share (%): 6.51%
Inventory size and Poor-condition share are different measures: Connecticut has 4,365 bridges and a 4.7% Poor-condition share in the 2024 NBI, rank #17 of 54 jurisdictions ordered from the lowest share upward. The dashed comparisons mark the national average state rate and the midpoint of the plotted inventory range; neither is a live safety or closure threshold.

Connecticut vs all states by public bridge inventory

Where this state's FHWA NBI public-highway bridge count sits among every state and territory on PlainBridges

4,365 38th of 54 higher than 16 of 54 states

States and territories, banded by public bridge inventory size

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · 2024

Read the rank neighborhood for Connecticut

The highlighted point is Connecticut: 4,365 bridges and 4.72% in Poor condition, rank #17 of 54 jurisdictions ordered from the lowest share upward. The five jurisdictions immediately above and below Connecticut on that same Poor-share ordering:

  • Maryland: 5,484 bridges · 4.56% Poor
  • Oregon: 8,305 bridges · 4.61% Poor
  • Connecticut: 4,365 bridges · 4.72% Poor
  • Ohio: 26,729 bridges · 4.74% Poor
  • Colorado: 8,965 bridges · 4.82% Poor

The full national sortable table lives on the rankings page.

Material families in Connecticut

Exclusive FHWA material families across all 4,365 bridges in this state; continuous variants fold into the parent family. Orthogonal to the Poor-share scatter above.

Who maintains Connecticut’s inventory

State agency holds 65.3% of the 4,365 public highway bridges filed under Connecticut in the 2024 NBI, the agency-of-record split for this state, not a condition verdict.

When Connecticut’s bridges were built

Pre-1950 construction accounts for 18.9% of the 4,365 bridges with a recorded original year in Connecticut. Era bands are orthogonal to the Poor-share ranking above.

Condition Distribution

Connecticut27.8%67.5%GoodFairPoor
Bridge inventory deck-condition mix - Connecticut (FHWA NBI)

Counties (0)

Connecticut vs nearby ranks

Adjacent states by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Connecticut on the same metric.

MD

Maryland

4.56% top marginal rate
Structure
Progressive
Burden @ $100K
$5,484

OR

Oregon

4.61% top marginal rate
Structure
Progressive
Burden @ $100K
$8,305
Selected

CT

Connecticut

4.72% top marginal rate
Structure
Progressive
Burden @ $100K
$4,365

OH

Ohio

4.74% top marginal rate
Structure
Progressive
Burden @ $100K
$26,729

CO

Colorado

4.82% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

Bridges Needing Most Attention in Connecticut

Six lowest-condition bridges in Connecticut, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

FALLS ROAD

Poor

Over: NONNEWAUG BROOK

300 E OF NONNEWAUG RD, CT

Built 1956 Load: 0.0 t ADT: 95

SHERMAN STREET

Poor

Over: YANTIC RIVER

1 MILE WEST ROUTE 2, CT

Built 1920 Load: 3.9 t

ROUTE 191

Poor

Over: SCANTIC RIVER

1.9 MI SOUTH OF RTE. 140, CT

Built 1925 Load: 5.8 t ADT: 1,500

RIVER BANK ROAD

Poor

Over: EAST BRANCH MIANUS RIVER

0.8 MI N OF ROUTE 15, CT

Built 1957 Load: 8.1 t ADT: 1,500

TRACY ROAD #1

Poor

Over: KITT BROOK

0.5 MI SOUTH OF ROUTE 14, CT

Built 1928 Load: 8.7 t ADT: 176

ROUTE 136

Poor

Over: SAUGATUCK RIVER

BETWEEN I-95 EXIT 17 & 18, CT

Built 1870 Load: 10.0 t ADT: 14,500

All Bridges in Connecticut

ROUTE 207

Fair

Over: BEAVER BROOK

.3 MI WEST OF ROUTE 97, CT

Built 1940 Load: 54.4 t ADT: 2,600

RTE 15 SB & RAMP

Fair

Over: US ROUTE 5 (MAIN STREET)

.6 MILE E OF HARTFORD TL, CT

Built 1991 Load: 54.4 t ADT: 34,250

INTERSTATE 291 EB

Fair

Over: ROUTE 30

0.5 MILE SOUTH OF US RT 5, CT

Built 1993 Load: 54.4 t ADT: 24,300

ROUTE 2

Fair

Over: NEW LONDON TPKE

.6 MI E OF INTERSTATE-395, CT

Built 1959 Load: 54.5 t ADT: 16,000

INTERSTATE-84

Fair

Over: CIDER MILL ROAD

0.5 MILE WEST OF EXIT 68, CT

Built 1954 Load: 54.5 t ADT: 77,700

ROUTE 8 RAMP 063

Fair

Over: NAUGATUCK RIVER FLOOD PL

EXIT 27 ROUTE 8 S.B., CT

Built 1960 Load: 54.6 t ADT: 5,000

ROUTE 9 SOUTHBOUND

Fair

Over: ROUTE 9 RAMPS 31 & 32

AT EXIT 10 - AIRCRAFT RD., CT

Built 1959 Load: 54.6 t ADT: 18,300

INTERSTATE-91 SB

Fair

Over: ROOD AVENUE

0.7 MILE SOUTH OF EXIT 36, CT

Built 1990 Load: 54.6 t ADT: 76,050

RIVERVIEW DRIVE

Fair

Over: SR 840 & HOUSATONIC RR

BERKSHIRE CORPORATE PARK, CT

Built 1995 Load: 54.6 t ADT: 1,270

INTERSTATE 95

Fair

Over: OLD POST ROAD

EXIT 19, CT

Built 1958 Load: 54.8 t ADT: 104,300

US ROUTE 1

Fair

Over: QUANADUCK COVE

2.4 MI N OF ROUTE 27, CT

Built 1960 Load: 54.8 t ADT: 5,700

INTERSTATE 84

Fair

Over: TAMARACK AVENUE

.3MI EAST OF RT 37, CT

Built 1960 Load: 54.8 t ADT: 126,900

EAST MAIN STREET

Fair

Over: I-91 ROUTE 15 & RAMP 147

ROUTE 15 & I91 MERGE, CT

Built 1965 Load: 54.8 t ADT: 17,800

ROUTE 8 RAMP 077

Fair

Over: BANK STREET

NB ON RAMP FROM S.LEONARD, CT

Built 1965 Load: 54.8 t ADT: 5,100

ROUTE 8 NORTHBOUND

Fair

Over: JOHN STREET

0.6 MI N OF I-95, CT

Built 1968 Load: 54.9 t ADT: 48,300

US ROUTE 44

Fair

Over: SPRUCE SWAMP CREEK

.5 MILES EAST OF ROUTE 41, CT

Built 1928 Load: 55.0 t ADT: 4,300

RUBBER AVENUE

Fair

Over: LONG MEADOW POND BROOK

AT NEUMANN STREET, CT

Built 1983 Load: 55.0 t ADT: 7,300

INTERSTATE-95

Fair

Over: LOCKWOOD AVENUE

AT I-95 EXIT 3 SB, CT

Built 1958 Load: 55.1 t ADT: 112,800

INTERSTATE-95

Fair

Over: COOLIDGE STREET

0.4 MI S OF ROUTE 130, CT

Built 1958 Load: 55.1 t ADT: 115,900

INTERSTATE-95

Fair

Over: HONEYSPOT ROAD

0.5 MI SOUTH OF ROUTE 130, CT

Built 1959 Load: 55.1 t ADT: 93,800

WHITE OAK SHADE RD

Fair

Over: ROUTE 15

OVER ROUTE 15, CT

Built 1938 Load: 55.1 t ADT: 2,900

US ROUTE 44

Fair

Over: WHITING RIVER

1.75 MI W OF NORFOLK TL, CT

Built 1949 Load: 55.1 t ADT: 5,400

WAPPING ROAD

Fair

Over: KETCH BROOK

JCT WINDSORVILLE ROAD, CT

Built 1936 Load: 55.1 t ADT: 2,600

INTERSTATE-84

Fair

Over: US ROUTE 5 & I84 RMP 116

1.09 MI E HTFD EHTFD TL, CT

Built 1963 Load: 55.2 t ADT: 114,500

US ROUTE 1

Fair

Over: NEVINS BROOK

0.5 MI S OF ROUTE 156, CT

Built 2006 Load: 55.2 t ADT: 15,600

ROUTE 8 SOUTHBOUND

Fair

Over: ROUTE 73 WESTBOUND

1.1MI NO OF INTERSTATE-84, CT

Built 1965 Load: 55.3 t ADT: 25,900

INTERSTATE 84 WB

Fair

Over: POOTATUCK RIVER

BETWEEN EXITS 10 & 11, CT

Built 1972 Load: 55.3 t ADT: 40,500

BARNDOOR HILLS RD2

Fair

Over: WEST BRANCH SALMON BROOK

1.2 MI FROM JCT ROUTE 20, CT

Built 1956 Load: 55.3 t ADT: 408

PROSPECT STREET

Fair

Over: W BRANCH NAUGATUCK RIVER

500 FT SO OF WATER STREET, CT

Built 1912 Load: 55.3 t ADT: 5,060

STILL RIVER DRIVE

Fair

Over: STILL RIVER

.25 MI EAST OF ROUTE 202, CT

Built 1993 Load: 55.3 t ADT: 7,600

INTERSTATE-95

Fair

Over: BEARDSLEY STREET

0.6 MI S OF ROUTE 113, CT

Built 1958 Load: 55.4 t ADT: 115,000

INTERSTATE-95

Fair

Over: ROUTE 130(STRATFORD AVE)

1.5 MI N OF ROUTE 113, CT

Built 1958 Load: 55.4 t ADT: 103,700

VAUXHALL ST EXT

Fair

Over: I-95 SR 623 & SR 624

0.6 MI NORTH OF ROUTE 85, CT

Built 1960 Load: 55.4 t ADT: 6,492

ROUTE 15

Fair

Over: WEPAWAUG RIVER

0.2 MILES NORTH ROUTE 34, CT

Built 1949 Load: 55.4 t ADT: 72,300

SR 796

Fair

Over: MEADOW STREET

0.2 MI N OF US ROUTE 1, CT

Built 1940 Load: 55.4 t ADT: 5,900

ROUTE 15 RAMP 148

Fair

Over: WILLOW BROOK

.2 MILES N. OF E. MAIN ST, CT

Built 1964 Load: 55.4 t ADT: 7,900

INTERSTATE-384 EB

Fair

Over: PARK MAINTENANCE ROAD

.2 MI EAST OF ROUTE 83, CT

Built 1969 Load: 55.4 t ADT: 18,800

ROUTE 15

Fair

Over: CROSS HIGHWAY

3.5 MI S OF ROUTE 58, CT

Built 1938 Load: 55.5 t ADT: 66,420

GILBERT AVENUE

Fair

Over: INTERSTATE-91

1.19MI SOUTH JCT I91&RT99, CT

Built 1964 Load: 55.5 t ADT: 2,000

ARTISAN STREET

Fair

Over: COPPER MINE BROOK

500 FT FROM JCT ROOT AVE, CT

Built 2003 Load: 55.5 t ADT: 2,064

I-691 TR 804

Fair

Over: I-84 RAMPS & RTE 322

I691 WB RAMP TO I84 EB, CT

Built 1987 Load: 55.5 t ADT: 9,700

INTERSTATE-95

Fair

Over: NEWFIELD AVENUE

0.4 MI S OF ROUTE 113, CT

Built 1959 Load: 55.6 t ADT: 115,000

US ROUTE 7 SB

Fair

Over: INTERSTATE 84 EB

EXIT 3 INTERSTATE 84 EB, CT

Built 1960 Load: 55.6 t ADT: 16,500

US ROUTES 6 & 44

Fair

Over: HOCKANUM RIVER

08 MI E OF RT 6 OFF RAMP, CT

Built 1941 Load: 55.7 t ADT: 17,600

SOUTH ELM STREET

Fair

Over: I-84 & MCMAHON STREET

1.1 MI W OF ROUTE 69, CT

Built 1965 Load: 55.7 t ADT: 4,900

WOLFORDS HILL ROAD

Fair

Over: SANDY BROOK

JCT RT 183 & WOLFORD HILL, CT

Built 2005 Load: 55.7 t ADT: 133

INTERSTATE-91 SB

Fair

Over: ROUTE 20 EASTBOUND

AT EXIT 40, CT

Built 1992 Load: 55.8 t ADT: 44,000

BASHON HILL ROAD

Fair

Over: ROUTE 2

1.10 MI EAST LEBANON TL., CT

Built 1961 Load: 55.9 t ADT: 1,200

US ROUTE 1

Fair

Over: OYSTER RIVER

0.1 MI S OF ROUTE 154, CT

Built 1971 Load: 56.0 t ADT: 13,800

OLD TURNPIKE ROAD

Fair

Over: TEN MILE RIVER

500 FT N OF ROUTE 322, CT

Built 1954 Load: 56.0 t ADT: 6,334

Showing 2,451-2,500 of 4,365 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

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

What to do with this

Use Connecticut's inventory picture to drill to a county or a specific span.

  • Browse counties in Connecticut and open the highest-Poor shares first. County list
  • See where this state sits among peers on Poor-condition share. State rankings
  • Compare this state with another jurisdiction on the same measures. State compare

NBI condition ratings are inventory snapshots, not live crossing-safety verdicts.

Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Connecticut Good/Fair/Poor shares and county rollups on this page are computed from the same NBI extract as the national boards; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.