Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: This pedestrian bridge, or passerelle, is the only one spanning North Lake Shore Drive, a major commuter route through Chicago's Lincoln Park. The strikingly modern welded steel arch with concret More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: Mead Avenue, formerly Dock Street, bears the unusual distinction of having two bridges on the same site at one time. Grafted to the original double-intersection Whipple truss built by Penn Bridge More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: The Three Sisters Bridges represent an adaptive engineering design response to political and technical concerns. County engineers successfully maneuvered around federally-mandated clearances, aest More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More
Significance: Iron work began on the banks of French Creek in 1783 and continued, weathering massive changes in ferrous metalworking techniques, for 200 years. The foundry produced castings ancillary to the Pho More