St 6 A/crnbry Hwy over Water Mill Creek
Barnstable County, Massachusetts · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- St 6 A/crnbry Hwy over Water Mill Creek in Barnstable County, Massachusetts, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 19,914 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 68 of the 107 inventoried bridges in Barnstable County rated fair (63.6%); 4 (3.7%) 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 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (41.76105, -70.49549)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 62 ft |
| Location | 1.5 M E of Bourne Tl |
| NBI structure number | S040034A5DOTNBI |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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 |
| 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 |
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.