Bridge conditions in Windham County, Connecticut
264 inventoried bridges · 23 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
23 of the 264 bridges the federal inventory lists in Windham County are rated poor; the rest split 79 good and 162 fair.
- 23 of the 264 bridges in Windham County, Connecticut, are rated in poor condition (8.7%) in the 2025 National Bridge Inventory, as of .
- 79 bridges (29.9%) are rated good and 162 (61.4%) fair.
- The median Windham County bridge was built in 1962.
- The busiest poor-rated bridge is Buckley Hill Road over French River (built 1937), carrying about 2,300 vehicles a day.
Good 29.9% · Fair 61.4% · Poor 8.7% of 264 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Buckley Hill Road over French River | 1937 | 2,300 | Poor |
| Buckley Hill Road over French River Canal | 1976 | 2,300 | Poor |
| Wilsonville Road over French River | 1936 | 1,300 | Poor |
| Woodchuck Hill Rd over Little River | 1900 | 1,178 | Poor |
| East Putnam Road over Mary Brown Brook | 1955 | 684 | Poor |
| SR 664 over Snake Meadow Brook | 1925 | 600 | Poor |
| Peake Brook Road over Little River | 1987 | 409 | Poor |
| Taft Pond Road over Mashamoquet Brook | 1900 | 371 | Poor |
| Gager Hill Road over Merrick Brook | 1936 | 357 | Poor |
| Spicer Road over Five Mile River | 1972 | 275 | Poor |
| Kenyonville Road over Still River | 1947 | 246 | Poor |
| Baker Road over Quaddick Lake | 1940 | 246 | Poor |
| Chase Road over Cady Brook | 1940 | 238 | Poor |
| Ashford Road over Bigelow Brook | 1937 | 200 | Poor |
| Tracy Road #1 over Kitt Brook | 1928 | 176 | Poor |
| Miller-goodwin Con over Little River | 1930 | 175 | Poor |
| Cotton Bridge St over Quinebaug River | 1956 | 151 | Poor |
| Boston Hollow Rd 2 over Bigelow Brook | 1910 | 55 | Poor |
| Wright Road over Quanduck Brook | 1965 | 37 | Poor |
| Axe Factory Rd #2 over Bigelow Brook | 1975 | 30 | Poor |
| Bosworth Road over Mashamoquet Brook | 1950 | 18 | Poor |
| Brook Road #2 over Merrick Brook | 1970 | – | Poor |
| Bass Road over Merrick Brook | 1932 | – | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate-395 NB over US Route 6 | 1963 | 129,000 | Fair |
| Interstate 95 over Noroton River | 1958 | 123,700 | Fair |
| Interstate-395 over Roper Road | 1958 | 32,700 | Fair |
| Interstate-395 over Plainfield Road | 1958 | 30,400 | Fair |
| Interstate-395 over Mill Brook | 1958 | 30,000 | Good |
| Interstate-395 over Lathrop Brook | 1958 | 30,000 | Good |
| Interstate-395 over Abandoned Railroad | 1958 | 27,800 | Good |
| Interstate-395 over SR 647 (lathrop Road) | 1958 | 25,000 | Fair |
| Interstate-395 over Route 14A | 1958 | 24,900 | Fair |
| Interstate-395 over Culver Brook | 1966 | 21,000 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Connecticut: Connecticut bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.