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New Route 47 Missouri River Bridge

Project Updates:

Please visit our new project website at http://www.modot.org/stlouis/major_projects/Route47MissouriRiverBridge/




Washington Bridge NewBridge
Photo of existing Route 47 Missouri River Bridge.   

Rendering of the new Route 47 Missouri River bridge.

The Missouri River bridge, located between Jefferson City and St. Louis, provides a vital link between Warren County to the north and Franklin County to the south.  The Missouri Department of Transportation, along with the City of Washington, Franklin County and Warren County, will replace the deteriorating 1936 bridge with the support of East West Gateway Council of Governments and the Boonslick Regional Planning Commission.

Why is a new bridge needed?

The Route 47 Missouri River Bridge needs to be replaced because of its deteriorating condition.  It is a vital link for the communities on both sides of the river.  The bridge, which opened in 1936, carries about 11,000 vehicles a day.  The existing bridge has narrow lanes with no shoulders, restrictive weight limits and requires a regular cycle of rehabilitation work.  The new bridge will provide safer and more efficient travel for the many motorists traveling between Franklin and Warren counties.  Please note: despite the deteriorating condition of the existing bridge it is safe for travel.

Where will the new bridge be built?

The new bridge will be built just upstream (to the west) of the existing bridge.

What will the new bridge look like?

The new bridge will have two 12-foot lanes, as well as 10-foot shoulders.  MoDOT engineers have worked with the local elected officials and community leaders on the aesthetic details of the bridge which will include decorative lighting, railing details and decorative columns.

Bridge View


Renderings of the new Route 47 Missouri River Bridge (updated April 2014)

Riverfront View (Daytime)

Riverfront View (Nighttime)

View From Roadway

Under Bridge View (Daytime)

Under Bridge View (Nighttime)

Side Bridge View (Daytime)

Side Bridge View (Nighttime)


Will the bridge include a bike-pedestrian lane?

Yes, the new bridge will have a ten-foot protected bike/pedestrian path.   

Renderings of the bike-ped path (updated April 2014)

Aerial View of Overlook

Pedestrian Trail

Bridge Railing 1

Bridge Railing 2

Bridge Railing 3

Bridge Railing 4

What is the construction schedule? 

Construction is expected to begin in late summer 2016 and is expected to be completed in 2019. 

What kind of traffic impacts will there be?

Off peak lane restrictions are possible and more major impacts are possible once the new bridge is ready to be tied into the existing roadway. 

What will happen to the current bridge?

The current bridge will be demolished once the new bridge is open in 2019.

What is the cost of the project?

The project was awarded to Alberici for approximately $63 million ($62,950,000.00).  Below is a breakdown of the funding costs.


Federal Funds $45.4 million

State & Local Funds

$13.8 million
TIGER Grant Funds $10 million
Total $69.2 million**

The total amount reflects the cost of MoDOT's inspection and administration of the construction contract which is why it is different from the total project award. 

Where can I get more information?

For more information or to sign up for periodic project updates, please click here.


Construction Photos:

To see photos of the construction, click here.

To see more photos, click here.

A time lapse camera will also be available during construction.  The link will be placed here when it is up and running.


Document Library:

Design plans Warren County side to middle of MO River

Design Plans from Warren County side to mid-river (pdf)


Design plans from middle of river to Franklin County side

Design Plans from mid-river to Franklin County side (pdf)


Related Topics

Environmental Documents

Partnerships                                                    Community Features

East West Gateway                                         Amtrak

Boonslick Regional Planning Commission      KATY Trail                          

Historic Washington Missouri                         Washington Bike Plan

Franklin County                                               Washington Regional Airport

Warren County                                                  


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