single span structure
31Hunsecker's Mill Covered Bridge — Infobox U.S. Covered Bridge bridge=Hunsecker s Mill Covered Bridge image size=300px bridge bridge map size=250px state=Pennsylvania county=Lancaster County length=180 truss=single span, double Burr arch truss built=1843 builder=John… …
32Mercer's Mill Covered Bridge — Other name(s) East Octoraro #2 Bridge Locale Lancaster County, Pennsylvania, United States Des …
33Portland, Michigan — Infobox Settlement official name = Portland, Michigan settlement type = City nickname = motto = imagesize = image caption = image imagesize = image caption = image mapsize = 250px map caption = Location of Portland, Michigan mapsize1 = map… …
34Bridge No. L-5573 — U.S. National Register of Historic Places …
35Bitzer's Mill Covered Bridge — Infobox U.S. Covered Bridge bridge=Bitzer s Mill Covered Bridge image size=250px bridge bridge map size=250px state=Pennsylvania county=Lancaster County length=98 truss=single span, double Burr arch truss built=1846 builder=George Fink and Sam… …
36Bucher's Mill Covered Bridge — Infobox U.S. Covered Bridge bridge=Bucher s Mill Covered Bridge image size=260px bridge bridge map size=250px state=Pennsylvania county=Lancaster County length=64 truss=single span, double Burr arch truss built=1881 builder=Elias McMellenBucher s …
37Strait of Messina Bridge — Satellite photo of the Strait of Messina, taken June 2002. NASA image. The Strait of Messina Bridge is a long planned suspension bridge across the Strait of Messina, a narrow section of water between the eastern tip of Sicily and the southern tip …
38Juscelino Kubitschek bridge — The Juscelino Kubitschek Bridge ( pt. Ponte Juscelino Kubitschek), also known as the President JK Bridge or just the JK Bridge, crosses Lake Paranoá in Brasília, D.F. It is named for Juscelino Kubitschek de Oliveira, former president of Brazil,… …
39Niles Canyon Railway — Reporting mark NICX Locale Alameda County, California, USA …
40Frankford Creek — is a minor tributary of the Delaware River in southeast Pennsylvania. The stream originates as Tookany Creek at Hill Crest in Cheltenham Township and meanders eastward, then southeastward, throughout Cheltenham Township, until a sharp bend near… …
