Hwy Oak Blffs Rd over Water Sengekontacket Inl
Dukes County, Massachusetts · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Hwy Oak Blffs Rd over Water Sengekontacket Inl in Dukes County, Massachusetts, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 6,214 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 4 of the 5 inventoried bridges in Dukes County rated good (80.0%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (41.41612, -70.54876)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 243 ft |
| Location | Edgartown/oak Bluffs Tl |
| NBI structure number | E070018LVDOTNBI |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Massachusetts department of transportation.
Busiest bridges in Dukes County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Hwy Beach Rd over Water Lagoon Pond | 2016 | 21,100 | Good |
| Hwy Seaview Ave over Water Sengekontacket Inl | 2011 | 5,786 | Good |
| Hwy State Hwy over Water Hariphs Creek | 1998 | 3,071 | Good |
| Hwy Dike Rd over Water Poucha Pond | 1995 | 214 | Fair |
All bridges nearby: Dukes County, MA bridge conditions · every bridge in Dukes County · Massachusetts bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.