Ma Route 28 over Cape Cod Canal
Barnstable County, Massachusetts · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ma Route 28 over Cape Cod Canal in Barnstable County, Massachusetts, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1935 and reconstructed in 1981, making it 90 years old at the 2025 inventory.
- It carries about 44,240 vehicles a day (traffic count year 2019).
- It is one of 4 of the 107 inventoried bridges in Barnstable County rated poor (3.7%); 4 (3.7%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (41.77622, -70.54364)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel through arch |
| Length | about 2,383 ft |
| Location | Junct Ma Rtes 25 28 & 6 |
| NBI structure number | CEPNEDMA2510001 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.
Busiest bridges in Barnstable County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ma Route 3 over Cape Cod Canal | 1935 | 61,701 | Fair |
| 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 |
All bridges nearby: Barnstable County, MA bridge conditions · every bridge in Barnstable County · Massachusetts bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.