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: Pont de Vieille-Brioude (Vieille-Brioude Bridge) is located in France, crossing the Allier River. It is a masonry arch bridge with a span of that was built in 1832.

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: 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 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: In the 1960s, the first Nanjing Yangtze River Bridge was completed, and served as the only bridge crossing over the Lower Yangtze in eastern China at that time. The bridge was a source of pride and an important symbol of modern China, having been built and designed by the Chinese themselves following failed surveys by other nations and the reliance on and then rejection of Soviet expertise. Begun in 1960 and opened to traffic in 1968, the bridge is a two-tiered road and rail design spanning 4,600 metres on the upper deck, with approximately 1,580 metres spanning the river itself. Since then four more bridges and two tunnels have been built. Going in the downstream direction, the Yangtze crossings in Nanjing are: Dashengguan Bridge, Line 10 Metro Tunnel, Third Bridge, Nanjing Yangtze River Tunnel, First Bridge, Second Bridge and Fourth Bridge.

paragraph_text: The Fengdu Yangtze River Bridge is a suspension bridge which crosses the Yangtze River in Fengdu County, Chongqing, China. Completed in 1996, it has a main span of placing it among the longest suspension bridges in the world.

paragraph_text: The Jamsu Bridge crosses the Han River in South Korea and connects the districts of Yongsan-gu and Seocho-gu. The bridge was completed in 1976, and lies just meters above the waterline, allowing the bridge to submerge during periods of high rainfall. In 1982, Banpo Bridge was built on top of the Jamsu Bridge, creating a two-deck bridge.

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 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: The Old Mill Road Bridge is a historic bridge near Rocky Ridge, Frederick County, Maryland, United States. The bridge spans Owens Creek southwest of Rocky Ridge on Old Mill Road. It is a Pratt half-hip through truss structure in a single span long and . It was built in 1882 by the Pittsburgh Bridge Company, Pittsburgh, Pennsylvania.

paragraph_text: The Alden Bridge is a historic bridge in Alden, Iowa, which carries the town's Main Street over the Iowa River. The concrete bridge is long and consists of two spans. It was built in 1936 to replace an earlier wooden bridge that had begun to deteriorate. The Weldon Brothers Construction Co. supervised the bridge's construction, while the Iowa State Highway Commission designed the structure; it was one of the first bridges designed by the ISHC, which used similar plans for many other bridges in the state. Labor for the construction effort came from the Works Progress Administration, providing jobs for many of Hardin County's unemployed residents. The bridge was dedicated on July 4, 1936, as part of Alden's Independence Day celebrations.

paragraph_text: The John Basilone Veterans Memorial Bridge is a bridge in New Jersey that crosses the Raritan River. The bridge was built in 2005 to replace the smaller Nevius Street Bridge built in 1886. The Nevius Street Bridge today functions as a pedestrian bridge. The bridge connects First Avenue and what used to be the short one way block of Lyman Street in Raritan with River Road in Hillsborough. After crossing into Hillsborough, the road curves to meet up with the old alignment with the Nevius Street Bridge. The bridge is named for local World War II hero, John Basilone. The bridge has a pedestrian tunnel underneath its northern approach, as part of the Raritan River Greenway.

paragraph_text: The George Rogers Clark Memorial Bridge, known locally as the Second Street Bridge, is a four-lane cantilevered truss bridge crossing the Ohio River between Louisville, Kentucky and Jeffersonville, Indiana, that carries US 31.

paragraph_text: A Permit To Acquire (PTA), obtained from the sheriff of the county of the applicant's residence, is required when purchasing or otherwise acquiring a handgun, either from a dealer or from a private party. A Permit To Acquire shall be issued to qualified applicants aged 21 or older. The PTA becomes valid three days after the date of application, and is valid for one year. A PTA is not required when purchasing an antique handgun, defined as one made in or before 1898 and including post-1898 replicas of matchlock, flintlock, or percussion cap pistols.

paragraph_text: The Bringle Ferry Bridge is a crossing of the Yadkin River Channel and the Tuckertown Reservoir in Rowan County, North Carolina and Davidson County, North Carolina. The bridge is on Bringle Ferry Road between Salisbury, North Carolina and Denton, North Carolina. It is the only crossing of the Yadkin River between the Interstate 85 bridge at Spencer, North Carolina and the NC Hwy 49 bridge near Richfield, North Carolina. The Bringle Ferry Bridge has views of the High Rock Dam to the north, which separates Tuckertown Reservoir from High Rock Lake.

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: The Pretoria Bridge is a vertical-lift bridge in Ottawa, Ontario, Canada. It crosses the Rideau Canal linking the Glebe and Centretown to Old Ottawa East. The bridge was built in 1915, replacing an earlier wooden swing bridge on Argyle Street just to the north. It is a vertical-lift bridge, meaning that the central portion of the bridge can be elevated to allow boats to pass underneath.

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: 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.

Question: What is the minimum age to buy a handgun in the state for which is named the river spanned by the Alden Bridge?
Answer: 21 or older.