1. Tennessee Gas Pipeline Bridge: Constructed in the early 1960s, this is one of the only instances of a pipeline bridge constructed. Today, new lines are buried deep under the river.

 

 

2. Harrisburg Covered Bridge: Constructed in the mid 1800s, it was rebuilt in 1875 after a major flood washed it away. Subsequent renovations from the 1950s to the present have restored the covered span to its former glory.

 

 

 

3. Dover Covered Bridge: This was restored in 2000 and bypassed in 2005. It remains driveable to this day and is located near the historic Ohio River town of Augusta.

 

 

4. Blue Lick Springs Bridge: This former route of US 68 was bypassed in the 1960s by a more modern concrete and steel-girder bridge. This span was drivable until recently.

 

A view along old southbound U.S. Route 68.

 

5. Valley Pike Covered Bridge: Constructed in 1835, it is one of the oldest remaining covered spans in the state of Kentucky. It is also this state's shortest.

 

 

6. Ironton-Russell Bridge: This grand suspension bridge was constructed as the first highway bridge between Parkersburg and Cincinnati. It is slated for replacement.

 

 

 

 

7. Jesse Stuart Memorial Bridge: Constructed in 1984 on top of the Greenup Locks and Dam, it connects three major highways across two states.

 

 

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Nice!  My favorite are those old iron bridges.  Ones that you can actually drive over nowadays seem hard to find due to weight limits.

 

Here are two I took this evening.  This is of the Zilwaukee bridge up in Saginaw, MI.  It carries eight lanes of I-75 for a mile and half at a height of 150 feet at its tallest point.  It's had a troubled past, but a nice design IMO

 

 

 

 

Taken on 2007-08-17. Youngs High Bridge was the first cantaliver span constructed in the United States when it opened in 1876. It marked the beginning of scientific bridge building in the United States. The enormous crossing was designed by Charles Shaler Smith and constructed for the Cincinnati Southern Railroad. The original design called for a suspension span for the Lexington and Danville Railroad by John Roebling. In 1856, the huge stone towers were completed, however, all work stopped during the Civil War. In 1911, the bridge was replaced using the same foundations and did not require the stoppage of rail service. In 1929, the towers were removed to allow for the tracks to be twinned.

 

It is still the highest railroad span in the United States over a navigatable stream at 308 feet.

 

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And of course, some idiot just today decides to climb all over it and dies in a fall.

^A grand structure. There's a rail trestle in Southern Indiana that's not as high (138 feet), but nearly a mile long. I have photos of it somewhere that I'll try to dig up. It's still in service.

 

One of my favorites among the ones I've seen in person is the 1917 Detroit-Superior High-Level Viaduct (now known as the Veterans' Memorial) in Cleveland. It has an eye-pleasing balance of massive strength and soaring grace. This photo was taken from the old viaduct in 1986, before Stonebridge:

 

 

The bridge was designed by staff members of the Cuyahoga County engineering department and almost all the construction work was done by local companies. Until 1954, streetcars ran on the lower deck.

Clays Ferry Bridge: Post 9/11 nonsense. Interstate 75, US 25, and US 421 crossing over the Kentucky River. Interesting to note that it was originally a two-lane span, twinned upon the arrival of Interstate 75. The two spans were joined together when the highway was widened to three-lanes in each direction.

 

Original Clays Ferry Bridge

For you bridge-lovers, a related (but Ohio-specific) thread here: Ink's "Your favorite Ohio bridge" thread...

Young's High Bridge: Young's High Bridge is a former railroad cantilever bridge near Tyrone, Kentucky, and is remarkable for its extensive length and height above the Kentucky River Palisades.

 

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Clays Ferry Bridge (Interstate 75, US 25, US 421)

 

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U.S. Route 421 Bridge in Frankfort, KY.

 

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Been getting up either extremely early for these, or staying until it's damn near black outside... Bring on the cold weather :)