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The Humber Bridge spans the Humber Estuary between Barton-upon-Humber on the south bank and Hessle on the north bank, connecting the East Riding of Yorkshire and North Lincolnshire. It is a 2,220-metre (7,280 ft) single-span suspension bridge with the north tower sited on the high water line and the south tower founded in shallow water 500m from the shore. The bridge opened to traffic on 24 June 1981; at that time, it was the longest of its type in the world, a record it held for seventeen years until it was surpassed in 1998; it is the eighth-longest. Its central span of 1,410 metres (4,626 ft) means that it still has the longest suspended central span in Britain (Link Engineering Timelines).

The opening of the bridge reduced the road-distance between Hull and Grimsby by nearly 50 miles and it is now used by more than 8 million road vehicles per year (Link Humber Bridge Board). Current (2017) toll charges range from £1.50 per crossing for cars up to £12 per crossing for large goods vehicles. Pedestrians, cyclists and motorcyclists may cross the bridge free of charge (Link Humber Bridge Board Toll Charges).

The Humber is a large tidal estuary on the east coast of Northern England. It is formed at Trent Falls, Faxfleet, by the confluence of the tidal rivers Ouse and Trent. From here to the North Sea, it forms part of the boundary between the East Riding of Yorkshire on the north bank and North Lincolnshire and North East Lincolnshire on the south bank. Although the Humber is an estuary from the point at which it is formed, many maps show it as the River Humber.
Below Trent Falls, the Humber passes the confluence of the River Ancholme on the south shore; between North Ferriby and South Ferriby and under the Humber Bridge; between Barton-upon-Humber on the south bank and Kingston upon Hull on the north bank (where the River Hull joins), then meets the North Sea between Cleethorpes on the Lincolnshire side and the long and thin (but rapidly changing) headland of Spurn Head to the north.
Ports on the Humber include Kingston upon Hull (better known as simply Hull), Grimsby, Immingham, New Holland and Killingholme. The estuary is navigable here for the largest of deep-sea vessels.