paragraph_text: Spring Garden Street Bridge is a highway bridge in Philadelphia, Pennsylvania, USA, that crosses the Schuylkill River below Fairmount Dam. It connects West Philadelphia to the Philadelphia Museum of Art and Benjamin Franklin Parkway. It is the fourth bridge at this location.

paragraph_text: The Green Bay Road Bridge is a Pratt pony truss bridge across the Manitowoc River in Manitowoc Rapids. The bridge was built in 1887 by the Wisconsin Bridge and Iron Company and was the second river crossing built at its location. Originally a road bridge, the bridge is now used for a bicycle and walking trail; it is in good condition and is considered a historically significant example of a pony truss road bridge. The bridge was added to the National Register of Historic Places on August 3, 1998.

paragraph_text: The Mapo Bridge crosses the Han River in South Korea and connects the Mapo District and the Yeongdeungpo District in the city of Seoul. The bridge was completed in 1970. Until 1984, the bridge was called Seoul Bridge.

paragraph_text: Speakman No. 1 is a historic wooden covered bridge located at East Fallowfield Township near Modena in Chester County, Pennsylvania. It is a Burr Truss bridge, constructed in 1881. It is a twin of Speakman No. 2, Mary Ann Pyle Bridge, located a 1/4 mile away. It crosses Buck Run.

paragraph_text: Opened on June 3, 1939, the original bridge in this location was designed by engineering firm Madigan-Hyland and built on behalf of the New York City Parkway Authority by contractor J. Rich Steers, Inc., before the authority was merged into the Triborough Bridge and Tunnel Authority. The bridge was a part of a program to develop Jamaica Bay as a recreational area instead of an industrial port. The 1939 bridge was a low-level bascule bridge. It consisted of a widened version of the previous drawbridge, and a grade-separated interchange complex feeding into Beach Channel Drive and the Cross Bay Parkway. The Cross Bay Parkway was extended south along Beach 94th Street and Beach 95th Street to the Shore Front Parkway along Rockaway Beach.

paragraph_text: The Merchants Bridge, officially the Merchants Memorial Mississippi Rail Bridge, is a rail bridge crossing the Mississippi River between St. Louis, Missouri, and Venice, Illinois. The bridge is owned by the Terminal Railroad Association of St. Louis. It opened in May 1889 and crossed the river north of the Eads Bridge.

paragraph_text: The Washington Crossing Bridge, commonly known as the Fortieth Street Bridge, is an arch bridge that carries vehicular traffic across the Allegheny River between the Pittsburgh neighborhood of Lawrenceville and the suburb of Millvale.

paragraph_text: The Allegheny River (/ ˌæləˈɡeɪni / AL - ə - GAY - nee) is a principal tributary of the Ohio River; it is located in the Eastern United States. The Allegheny River joins with the Monongahela River to form the Ohio River at the ``Point ''of Point State Park in Downtown Pittsburgh, Pennsylvania. The Allegheny River is, by volume, the main headstream of the Ohio River.

paragraph_text: It currently carries Virginia Route 673, also known as Featherbed Lane. The bridge was originally located at a crossing of nearby Goose Creek, carrying the Leesburg Turnpike, later Virginia State Route 7, but was relocated in 1932 to its present location at Catoctin Creek.

paragraph_text: The Gordie Howe International Bridge (), previously known during development as the Detroit River International Crossing and the New International Trade Crossing, is a project to build a cable-stayed bridge and border crossing across the Detroit River. The crossing will connect Detroit and Windsor by linking Interstate 75 and Interstate 96 in Michigan with the new extension of Highway 401 (called the Rt. Hon. Herb Gray Parkway) in Ontario. This route will provide uninterrupted traffic flow, as opposed to the current configuration with the nearby Ambassador Bridge, which connects to city streets on the Ontario side. The bridge will be named after Canadian ice hockey player Gordie Howe, who was best known for his tenure with the Detroit Red Wings of the National Hockey League.

paragraph_text: The Dartford - Thurrock River Crossing, commonly known as the Dartford Crossing and until 1991 the Dartford Tunnel, is a major road crossing of the River Thames in England, carrying the A282 road between Dartford in Kent to the south with Thurrock in Essex to the north. It consists of two bored tunnels and the cable - stayed Queen Elizabeth II Bridge. The only fixed road crossing of the Thames east of Greater London, it is the busiest estuarial crossing in the United Kingdom, with an average daily use of over 130,000 vehicles. It opened in stages: the west tunnel in 1963, the east tunnel in 1980 and the bridge in 1991. The crossing, although not officially designated a motorway, is considered part of the M25 motorway's route, using the tunnels northbound and bridge southbound. Described as one of the most important road crossings in Britain, it suffers from heavy traffic and congestion.

paragraph_text: La Crosse Rail Bridge is a swing bridge that spans the Mississippi River between La Crescent, Minnesota and La Crosse, Wisconsin.

paragraph_text: The Rock Island Bridge in Kansas City, Kansas is a rail crossing of the Kansas River. It connects the Armourdale, Kansas to West Bottoms. It is a truss bridge that is closed to traffic.

paragraph_text: Bergstresser / Dietz Bridge, the last remaining covered bridge in Franklin County, Ohio, USA, is located within the village limits of Canal Winchester, Ohio in southeastern Franklin County. The wooden bridge crosses Little Walnut Creek, which is a tributary of the Scioto River. Although the bridge is in serviceable condition, it is only open to foot traffic.

paragraph_text: The Hohenzollern Bridge () is a bridge crossing the river Rhine in the German city of Cologne (German: "Köln"). It crosses the Rhine at kilometre 688.5. Originally, the bridge was both a railway and road bridge. However, after its destruction in 1945 and its subsequent reconstruction, it was only accessible to rail and pedestrian traffic.

paragraph_text: 187th Street crosses Washington Heights and running from Laurel Hill Terrace in the east to Chittenden Avenue in the west near the George Washington Bridge and Hudson River. The street is interrupted by a long set of stairs east of Fort Washington Avenue leading to the Broadway valley. West of there, it is mostly lined with store fronts and serves as a main shopping district for the Hudson Heights neighborhood.

paragraph_text: The Arlington Memorial Bridge is a Neoclassical masonry, steel, and stone arch bridge with a central bascule (or drawbridge) that crosses the Potomac River at Washington, D.C., the capital of the United States. First proposed in 1886, the bridge went unbuilt for decades thanks to political quarrels over whether the bridge should be a memorial, and to whom or what. Traffic problems associated with the dedication of the Tomb of the Unknown Soldier in November 1921 and the desire to build a bridge in time for the bicentennial of the birth of George Washington led to its construction in 1932.

paragraph_text: The Eudora Kaw River Bridge is an automobile and pedestrian crossing of the Kansas River located just north of Eudora, Kansas. A girder bridge, it is the first bridge over the river for almost four miles, as the Highway 2 Bridge is far off to the east.

paragraph_text: The Robert C. Byrd Bridge is a continuous truss bridge that crosses the Ohio River between Huntington, West Virginia and Chesapeake, Ohio. The crossing was constructed to replace an old, narrow, two-lane structure that was demolished after 69 years of service in a spectacular implosion on July 17, 1995. The previous bridge, opened in 1926, was Huntington's first bridge across the Ohio River and was designed in a gothic style, complete with four two-ton spires that rested on top of each peak.

paragraph_text: Langs (also, Lang Crossing) is a former settlement in Nevada County, California. Situated at an elevation of above sea level, it still appeared on maps as of 1902. Langs is located on the South Yuba River, west of Yuba Gap.

Question: Where on a map is the river crossed by the Washington Crossing Bridge?
Answer: Eastern United States