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Missouri Department of Transportation

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Pre-1945 Common Concrete and Steel Bridges Programmatic Agreement
Public Participation Form


The Missouri Department of Transportation (MoDOT) is developing a Programmatic Agreement (PA) for pre-1945 culverts and common concrete and steel beam and girder bridge types currently on the state highway system.


Bridge types that are included in this process include:

  • Concrete Cast-in-place slab Bridge

  • Concrete Pre-cast slab Bridge

  • Concrete Tee Beam Bridge

  • Concrete Channel Beam Bridge

  • Concrete I-beam Bridge

  • Concrete Box Beam Bridge

  • Steel Rolled Multi-beam Bridge

  • Steel Built-up Girder Bridge

  • Concrete Box Culvert

  • Concrete Pipe Culvert

  • Steel Pipe Culvert

Concrete Tee Beam



The PA will identify bridges that are eligible for listing on the National Register of Historic Places (National Register), identify mitigation measures for the class of bridges, and mitigation measures for any individually eligible bridges which might be affected by a MoDOT project in the future. This will provide greater efficiency for MoDOT when dealing with these types of bridges.

Consulting in the PA are the Federal Highway Administration (FHWA), the State Historic Preservation Office (SHPO), and various bridge, preservation and roadway groups.

Fill out form below to help us identify bridges!




The first step in the development of the PA is to identify bridges that could meet the National Register criteria. To be eligible a bridge must be associated with significant events, significant people or have engineering significance. Significance can be at a local, statewide or national level. Bridges must also retain integrity—they must retain the characteristics they had when the significant events occurred.


Once bridges that could meet the eligibility requirements are identified, historical research will be conducted on them to determine their history and integrity.


Following that, eligibility for the National Register will be determined.



Help Us Identify Bridges:

The public is an essential part of the process. MoDOT needs people to identify bridges that they think are associated with important events and people.


Using the map on this web-site, the public can navigate to a bridge and find a photograph of the bridge. Then, they can click “CLICK HERE To Fill Out The Form” and tell us which bridges they think are historically significant and why. Since culverts are all very similar, representative examples of single, double and triple box culverts are shown on this page.

CLICK HERE To Fill Out The Form

Single Box
Double Box
Triple Box
Multiple Box
Steel Bridges Concrete Bridges Culverts
Year Built Year Built Year Built
Pre-1920 Pre 1920 Steel Bridge Icon Pre-1920 Pre-1920 Concrete Bridge Icon Pre-1920 Pre-1920 Bridge Culvert Icon
1920's 1920 Steel Bridge Icon 1920's 1920 Concrete Bridge Icon 1920's 1920 Bridge Culvert Icon
1930's 1930 Steel Bridge Icon 1930's 1930 Concrete Bridge Icon 1930's 1930 Bridge Culvert Icon
1940's 1940 Steel Bridge Icon 1940's 1940 Concrete Bridge Icon 1940's 1940 Bridge Culvert Icon


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Missouri Department of Transportation
Central Office
105 W. Capitol Avenue
Jefferson City, MO 65102
1-888-ASK-MODOT (275-6636)
1-866-831-6277 (Motor Carrier Services)
Driver's License Offices
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