paragraph_text: Giddings Road Bridge is a covered bridge spanning Mill Creek in Jefferson Township, Ashtabula County, Ohio, United States. The bridge, one of currently 16 drivable bridges in the county, is a single span Pratt truss design, built with funding from an ODOT Timber Grant. The bridge’s WGCB number is 35-04-62, and it is located approximately 2.7 mi (4.3 km) northeast of Jefferson.

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 Chesapeake Bay Bridge -- Tunnel (CBBT) is a 23 - mile (37 km) bridge -- tunnel crossing at the mouth of the Chesapeake Bay, the Hampton Roads harbor, and nearby mouths of the James and Elizabeth Rivers in the American state of Virginia. It connects Northampton County on the Delmarva Peninsula and Eastern Shore with Virginia Beach, Norfolk, Chesapeake, and Portsmouth on the Western Shore and South side / Tidewater which are part of the Hampton Roads metropolitan area of eight close cities around the harbor's shores and peninsula. The Bridge - Tunnel originally combined 12 miles (19 km) of trestle, two 1 - mile - long (1.6 km) tunnels, four artificial islands, four high - level bridges, approximately 2 miles (3.2 km) of causeway, and 5.5 miles (8.9 km) of northeast and southwest approach roads -- crossing the Chesapeake Bay and preserving traffic on the Thimble Shoals and Chesapeake dredged shipping channels leading to the Atlantic. It replaced vehicle ferry services that operated from South Hampton Roads and from the Virginia Peninsula since the 1930s. Financed by toll revenue bonds, the Bridge -- Tunnel was opened on April 15, 1964, and remains one of only ten bridge -- tunnel systems in the world, three of which are located in the water dominated Hampton Roads area of Tidewater Virginia.

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: Wonderland Village is an outdoor shopping center in Livonia, Michigan, United States, a suburb of Detroit. The center is located at the southwest corner of Middlebelt Road and Plymouth Road, approximately one mile south of I-96. Walmart and Target are the complex's anchor stores.

paragraph_text: By 1988, Walmart was operating in 27 states, having expanded into Arizona, Michigan, Ohio, West Virginia, New Jersey, and Wyoming. By 1990, they expanded into California (which marked Walmart officially becoming a fully nationwide retailer), Nevada, North Dakota, Pennsylvania, South Dakota, and Utah. The Walmart Visitor's Center also opened this year on the site of Sam Walton's original store.

paragraph_text: The Hal W. Adams Bridge, built in 1947, is an historic bridge that carries State Road 51 across the Suwannee River between Lafayette and Suwannee counties, Florida in the United States. Located 3 miles north of Mayo, it was the first suspension bridge built in Florida, and the only one to carry highway traffic. At its opening on July 4, 1947, it was named for Hal W. Adams of Mayo, former county judge of Lafayette County and then longtime circuit judge for the circuit encompassing Lafayette and Suwannee counties.

paragraph_text: The Northam Bridge is a road bridge across the River Itchen in Southampton, England, linking the suburbs of Northam and Bitterne Manor. The current bridge was the first major prestressed concrete road bridge to be built in the United Kingdom. The bridge carries the A3024 road as a dual carriageway, with two lanes on each carriageway.

paragraph_text: The Horsham–Montgomery Bridge is a stone bridge that carries Pennsylvania Route 152 (Limekiln Pike) over the Little Neshaminy Creek in Montgomery County, Pennsylvania, United States. Lower State Road merges with Limekiln Pike southwest of the bridge, and diverts from it northeast of the bridge. Lower State Road, including its passage over the bridge, forms the border between Horsham and Montgomery Townships.

paragraph_text: Kodambakkam Bridge is a road overbridge in the city of Chennai, India. Opened in 1965, it is one of the oldest overbridges in the city. The bridge has a length of 623 meters.

paragraph_text: Mooney Mooney Creek Bridge, popularly known as the Mooney Mooney Bridge and 'The NSW Big Dipper Bridge', is a twin cantilever bridge that spans Mooney Mooney Creek in Brisbane Water National Park on the Central Coast of New South Wales as part of the Pacific Motorway. It was opened in December 1986 and is maintained by NSW Roads and Maritime Services.

paragraph_text: The Bowen Bridge is a four-lane road bridge crossing the Derwent River in Tasmania, Australia. The Bridge lies on the river about half way between the Tasman Bridge and the Bridgewater Bridge. The Bridge links the East Derwent Highway with the Brooker Highway (as Goodwood Road) at Glenorchy some 10 kilometres (6.2 mi) from Hobart. The Bowen Bridge was built with Federal funds following the collapse of the Tasman Bridge in 1975. The bridge cost $49 million to construct and was officially opened on 23 February 1984. The Bowen Bridge was built with the intention of assisting the commuters of Hobart, should something happen to the Tasman Bridge. The bridge is named after John Bowen who settled the first European Colony in Tasmania at Risdon Cove, which later would be moved to the other side of the Derwent to form Hobart.

paragraph_text: The Old Enon Road Stone Arch Culvert is a historic limestone bridge in southern Clark County, Ohio, United States. It carries Rocky Point Road over Mud Run, a tributary of the Mad River, just west of its intersection with Old Mill Road. Located approximately east of Enon in eastern Mad River Township, it was constructed under the leadership of stonemason Samuel Taylor in 1871. In the past, the region was dotten with stone culverts, which were built in the nineteenth and early twentieth centuries to carry roads over small watercourses. Today, few stone culverts survive in Ohio; the Old Enon Road culvert is both Clark County's only such bridge in daily use and the oldest bridge of any type still open to daily traffic throughout the county.

paragraph_text: The Torne River Railway Bridge is a dual gauge railway bridge between Haparanda, Sweden and Tornio, Finland; the 1524mm rails used for Finland, the 1435mm rails used for Sweden. A temporary ice river track was built over the Torne River in 1917. The current bridge was opened in 1919 and was the first direct connection between the towns until the road bridge opened in 1939. It was jointly built by the governments of Sweden and Finland, and by the railway.

paragraph_text: The Roosevelt Bridge is a major highway segmental bridge across the St. Lucie River in Stuart, Florida. Carrying U.S. Route 1 (Federal Highway; unsigned State Road 5), it was built to supersede the old Roosevelt Bridge, which had twin parallel drawbridges, one for northbound traffic (opened in 1934, 27 ° 12 ′ 12 ''N 80 ° 15 ′ 35'' W ﻿ / ﻿ 27.203228 ° N 80.259612 ° W ﻿ / 27.203228; - 80.259612) and the other for southbound (opened in 1964, 27 ° 12 ′ 09 ''N 80 ° 15 ′ 35'' W ﻿ / ﻿ 27.202475 ° N 80.259762 ° W ﻿ / 27.202475; - 80.259762). The new bridge, completed in 1996, is raised and much longer than the older twin drawbridges. The southbound span of the old bridge is still functional for road and boat traffic and now carries two - way road traffic for what is now known as Dixie Highway, County Road 707. The new high - level Roosevelt Bridge is approximately one mile long and is made of two three - lane sections running parallel to each other. The northbound bridge was completed first, and housed two lanes of both north and south - bound traffic until the second bridge was finished.

paragraph_text: Mechanicsville Road Bridge is a covered bridge spanning the Grand River in Austinburg Township, Ashtabula County, Ohio, United States. The bridge, one of currently 16 drivable bridges in the county, is the longest single span covered bridge in the county, and is believed to be the oldest in the county as well. The bridge is a Howe truss design, with laminated arches added during its renovation in 2003-04. The bridge’s WGCB number is 35-04-18, and it is located approximately 4.3 mi (7.0 km) southeast of Geneva.

paragraph_text: The company was founded by Chicago - born George Cohon. The first store opened in 1967 as the Western Canadian franchisee and operated with the U.S. operations. Cohon was the Eastern Canadian franchise and opened his store in 1968 on Oxford Street West in London, Ontario. In 1971, Cohon merged the two operations to one national operation. Cohon was responsible for developing the eastern Canadian franchises. The first McDonald's restaurant in Canada was opened in 1967 in Richmond, British Columbia, by western franchise owners. It was also the first McDonald's restaurant outside of the United States. As of 2014, McDonald's Canada had 1,400 stores (including Walmart Canada locations) in Canada, and more than 85,000 Canadian employees.

paragraph_text: The Irondequoit Bay Outlet Bridge is a bobtail swing truss bridge in the northeastern suburbs of Rochester, New York, in the United States. It spans the outlet of Irondequoit Bay at Lake Ontario, carrying vehicular traffic between Culver Road in Irondequoit and Lake Road in Webster. The bridge is closed to vehicular traffic (bridge in open position) during the boating season from April to November, allowing marine traffic to travel between Lake Ontario and Irondequoit Bay. During the boating season, the bridge is a popular spot for visitors to watch the boat traffic, walk out onto the nearby jetties, and fish.

paragraph_text: The Bullfrog Road Bridge is a historic bridge between Emmitsburg, Frederick County and Taneytown, Carroll County in Maryland. The bridge crosses the Monocacy River on Bullfrog Road between the two counties. This bridge is a rare steel Parker through truss structure and is 183 feet in length and 16 feet-5 inches in width. It was built in 1908, by the York Bridge Company of York, Pennsylvania.

paragraph_text: In 1991, the company expanded into Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, and New York. Walmart expanded worldwide this year, with the opening of their first store outside the United States in Mexico City. They also acquired Western Merchandisers, Inc. of Amarillo, Texas. 1991 also saw the launch of the Sam's American Choice brand of products.

Question: when did the first Walmart open in the state Bullfrog Road Bridge is located?
Answer: 1991