Bridge conditions in Barnstable County, Massachusetts
107 inventoried bridges · 4 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
4 of the 107 bridges the federal inventory lists in Barnstable County are rated poor; the rest split 35 good and 68 fair.
- 4 of the 107 bridges in Barnstable County, Massachusetts, are rated in poor condition (3.7%) in the 2025 National Bridge Inventory, as of .
- 35 bridges (32.7%) are rated good and 68 (63.6%) fair.
- The median Barnstable County bridge was built in 1958.
- The busiest poor-rated bridge is Ma Route 28 over Cape Cod Canal (built 1935), carrying about 44,240 vehicles a day.
Good 32.7% · Fair 63.6% · Poor 3.7% of 107 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 |
|---|---|---|---|
| Ma Route 28 over Cape Cod Canal | 1935 | 44,240 | Poor |
| St 28 NB over ST151 Nathan Ellis Hwy | 1960 | 18,620 | Poor |
| St 28 Main St over Water Bass River | 1935 | 15,407 | Poor |
| Hwy Bridge St over Water West-north Bay | 1946 | 2,692 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ma Route 3 over Cape Cod Canal | 1935 | 61,701 | Fair |
| Ma Route 28 over Cape Cod Canal | 1935 | 44,240 | Poor |
| St 28 Bourne Br Rd over US 6 | 1985 | 41,801 | Fair |
| ST151 Nathan Ellis over RR Macrr (otis Spur) | 1941 | 40,345 | Fair |
| US 6 Eb/md Cp Hwy over Hwy Union St | 1970 | 38,017 | Fair |
| US 6 Eb/md Cp Hwy over Comb Willow St & Macrr | 1966 | 37,190 | Fair |
| St 28 E Falmth Hwy over Water Coonamesset River | 1953 | 36,595 | Fair |
| US 6 Eb/md Cp Hwy over ST130 Sandwich Rd | 1953 | 32,714 | Fair |
| US 6 Eb/md Cp Hwy over RR Macrr | 1970 | 29,142 | Fair |
| US 6 Wb/md Cp Hwy over Water Bass River | 1954 | 27,714 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Massachusetts: Massachusetts 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.