Stewart Lee Udall Department of the Interior Building
1849 C Street, N.W.
Washington, DC 20240
All visitors must enter through the building's C Street lobby, located on C Street, between 18th and 19th Streets, N.W. The Interior Museum is located just beyond the visitor processing area.
The Interior Museum is open Monday to Friday, 9:00 AM – 5:00 PM (closed Federal holidays). For any weather-related or governmental closures, the Interior Museum follows the Federal Government Operating Status for the DC area.
The Interior Museum and its public events and tours are free of charge. Visitors to the museum do not need to make advance reservations. Advance reservations are required for the building tours offered on Tuesdays and Thursdays at 2 PM.
All visitors must enter the Udall Building through the C Street lobby, which is located on C Street, between 18th and 19th Streets, N.W.
The entry process usually takes less than 10 minutes. The Interior Museum is located just beyond the Visitor Processing Center.
Several bus routes (including the 80 and S1) traverse 18th or 19th Streets, N.W., or Virginia Avenue, N.W. The closest stops to the Udall Building are at the intersections of Virginia Avenue, C Street, or E Street.
Driving Directions from the North
Take either 95 or 295 south to the Capitol Beltway, Route 495.
Take 495 west towards Northern Virginia.
Take Exit 30 (Georgia Avenue/29 South).
Proceed approximately 2 miles to 16th Street south. 16th Street veers to the right at this large intersection.
Go approximately 10 miles to I (Eye) Street, and turn right.
At the fourth light, turn left onto 19th Street, N.W. The entrance to the Udall Building is 6 blocks south on C Street, between 18th and 19th Streets, N.W.
Driving Directions from the South
Take 395 North to Washington Boulevard/Memorial Bridge/Pentagon/Arlington Cemetery. Move to the left lane.
Cross the Memorial Bridge in the center lane.
At the Lincoln Memorial, bear left and follow the road to the left onto Henry Bacon Avenue until it ends at Constitution Avenue. Make a right on Constitution Avenue.
Turn left onto 18th Street. The public entrance to the Udall Building is one block north on C Street, between 18th and 19th Streets, N.W.
Driving Directions from Northern Virginia
Take I-66 into Washington, staying in the center lane to arrive at Constitution Avenue.
Turn left onto 18th Street, N.W.
The public entrance to the Udall Building is one block north on C Street, between 18th and 19th Streets.
Driving Directions from Western Maryland
Take 270 South to 495 West toward Northern Virginia.
After crossing American Legion Bridge, take the next exit to the George Washington Memorial Parkway heading south toward Washington, D.C.
Follow signs to cross the Theodore Roosevelt Bridge and end up on Constitution Avenue.
Turn left onto 18th Street, N.W. The public entrance to the Udall Building is one block north on C Street, between 18th and 19th Streets, N.W.
Metered street parking in the vicinity of the Udall Building is available but limited. Meters operate via the ParkMobile parking app, but most also accept coins and credit cards. There are also several public parking garages located within a few blocks of the building.
A bike rack is located outside the C Street entrance for storing one's personal bicycle. Additionally, several Capital Bikeshare stations are located within two blocks of the Udall Building.
There are three primary airports serving the Washington, DC, region:
Ronald Reagan Washington National Airport (DCA) – Most convenient and accessible by Metro (the regional public transportation system).
Dulles International Airport (IAD) – Located approximately 26 miles from Washington, DC.
Baltimore-Washington International Airport (BWI) – Located South of Baltimore, approximately 35 miles from Washington, DC.
Ramped, accessible entrances are located at the C and E Street entrances of the Udall Building. Within the Interior Museum, devices for listening to full audio descriptions of the exhibitions are available to borrow for in-gallery use by contacting the museum. The narrated film is open captioned and audio-described. Additionally, visitors may borrow assistive listening devices for in-gallery use. Tactile elements are included throughout the exhibition galleries.
Accessible restrooms and a Family & All-Gender restroom are located in the corridor by the museum.
For those in need of special assistance (such as an interpreter for the hearing impaired) or inquiries regarding the accessible entrance, please notify museum staff at (202) 208-4743 in advance. Special needs will be accommodated whenever possible.
Unless otherwise stated, photography and videography are allowed in the Interior Museum so long as the images are taken using existing light only (no flash) and are for personal, noncommercial use. Photography is not permitted in the non-public areas of the Udall Building.
The Bison Bistro is a full-service public cafeteria located in the basement of the Udall Building. There are a variety of additional dining options located in the general vicinity of Pennsylvania Avenue and 18th Street, N.W.