Photos 

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Oblique view from southeast

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View from southwest

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Lower level, looking east

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Lower level, looking west

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In between bridges

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Lower level, east approach

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Lower level, east end

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East approach

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East approach curvature

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Outer railing

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Outriggers

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West approach

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Underneath west approach

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Upper level

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State line

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Historic Postcard

Historic postcard from 1908, showing the bridge shortly after being built in the original design. Toll booth also visible

Map 

Vicinity Map

Vicinity map

Map links:

Timeline 

Compiled by James Baughn

August 1903
Waddell and Redrick hired to design the bridge

Aug. 9, 1905
Groundbreaking ceremony held

1907
Bridge completed and opened to toll traffic

1911
Creditors foreclose on the bridge due to lack of toll revenue

January 1917
Kansas legislature authorizes Kansas City, Kansas, to work with K.C., Missouri, to purchase the bridge

Oct. 30, 1918
Ceremony held to mark the opening of the bridge to free traffic under city ownership

1930
Lower level roadway added

Nov. 30, 1936
Upper level widened to four lanes after streetcar rails removed

Nov. 12, 1962
Parallel span opened and old viaduct immediately closed for repairs

1963
Old viaduct reopened to carry eastbound traffic

Jan. 25, 1969
Both bridges officially renamed the Lewis and Clark Viaduct

1972
Bridge rehabilitated

Facts 

Overview
Two-level deck truss bridge over Kansas River on I-70 Eastbound in Kansas City
Status
Open to four lanes of traffic on upper level and pedestrian traffic on lower level
History
Completed in 1907; lower level added 1930; parallel span opened in 1962
Builder
- Waddell and Redrick
Design
Main spans: Two riveted, 10-panel double-intersection Warren deck trusses, each 300 ft. long
Dimensions
Length of largest span: 300.0 ft.
Total length: 3,775.9 ft.
Deck width: 51.8 ft.
Also called
Lewis and Clark Viaduct (current official name)
Approximate latitude, longitude
+39.11335, -94.61524   (decimal degrees)
39°06'48" N, 94°36'55" W   (degrees°minutes'seconds")
Inventory number
BH 18691 (Bridgehunter.com ID)
Inspection (as of 07/2006)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 29.8 (out of 100)
Average daily traffic (as of 2006)
26,400

Categories 

Built 1907 (213)
Built during 1900s (2,371)
Curved (26)
Deck truss (543)
Double decker (13)
Double-intersection Warren truss (19)
Functionally obsolete (5,078)
I-70 (48)
Jackson County, Missouri (63)
Kansas (1,448)
Kansas City, Kansas (22)
Kansas River (18)
Missouri (2,390)
Open (21,689)
Owned by state (6,577)
Riveted (374)
Span length 250-500 feet (581)
State line crossing (151)
Total length over 2500 feet (341)
Truss (15,880)
US 24 (27)
Waddell and Redrick (1)
Wyandotte County, Kansas (25)

Update Log 

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Comments 

Intercity Viaduct
Posted January 24, 2008, by Local

The lower level of this bridge is not open to auto traffic.

Only bicycles and pedestrians, the lower level was closed somtime in the 80's, restored, and reopened as a pedestrian crossing.

Also, when this bridge was built, it did not have the lower level, the lower level was not added until 1930, and it was only big enough for one lane car traffic.

The reason they closed the lower level to car traffic?

Simple, todays cars are too heavy, cars back in the 30's, 40's, 50's, were not that heavy, however, todys cars and trucks are too heavy for the little one lane truss.

Intercity Viaduct
Posted August 16, 2007, by C Whited (hooleelia [at] kc [dot] rr [dot] com)

Hard to believe this bridge is celebrating its centennial this year! Most locals would not know that the Lewis and Clark is that old. The Minnesota collapse is bringing about a new inspection of this span.