FAQ · Michigan
Ambassador Bridge border crossing: frequently asked questions
18 questions travellers ask about Ambassador Bridge, answered from CBP and CBSA sources.
Answers specific to Ambassador Bridge, each drawn from an official source with the date we read it. For a figure that changes, such as the current wait, use the live panel.
What are the hours at Ambassador Bridge?
The U.S. CBP wait-time feed publishes 24 hrs/day for Detroit. Source: CBP Border Wait Times feed, read 2026-10-20.
What are the CBSA hours for the Canadian side of Ambassador Bridge?
Travellers: 7 days per week, 24h; Dedicated NEXUS lanes towards Canada: Lane One Monday to Friday (except Holidays), 07:00-00:00; Dedicated NEXUS lanes towards Canada: Lane One Weekends and Holidays, 08:00-22:00; Dedicated NEXUS lanes towards Canada: Lane Two Monday to Friday (except holidays), 14:00-21:00; Dedicated NEXUS lanes towards Canada: Lane Three Monday to Friday (except holidays), 15:00-19:00; Commercial: 7 days per week, 24h; Dedicated FAST lane: Monday to Friday (except Holidays), 24h. Source: CBSA office directory, read 2026-10-20.
Is Ambassador Bridge open 24 hours?
The official source says yes: 24 hrs/day. Hours can change, so check the live panel. Source: official source, read 2026-10-20.
What is the CBSA office number for Ambassador Bridge?
961 in the CBSA office directory (Ambassador Bridge). Source: CBSA office directory, read 2026-10-20.
What is the address of the U.S. port of entry at Ambassador Bridge?
2810 B West Fort Street Suite #123 Detroit, MI 48216 United States; phone +1 313-964-7830. This is the port-level address and a port can contain several crossings. Source: CBP port page, read 2026-10-20.
Where is the CBSA office for Ambassador Bridge?
P.O. Box 1641, Windsor, ON N9A 7K3. Source: CBSA office directory, read 2026-10-20.
What phone numbers does the CBSA list for Ambassador Bridge?
. Source: CBSA office directory, read 2026-10-20.
What are the coordinates of the CBSA office at Ambassador Bridge?
42.299849, -83.065749 per the CBSA directory. Source: CBSA office directory, read 2026-10-20.
How is the wait measured at Ambassador Bridge?
The CBP feed lists the measurement type as: passenger Manual, commercial Manual, pedestrian Manual. CBP does not define these terms on the pages we read, so we show them as published. Source: CBP Border Wait Times XML feed, read 2026-10-20.
Does Ambassador Bridge have a NEXUS or SENTRI lane?
The CBP feed carries a NEXUS / SENTRI passenger figure for this port (status when read: no delay). Source: CBP Border Wait Times feed, read 2026-10-20.
How many passenger lanes does Ambassador Bridge have?
The CBP feed lists a maximum of 18 passenger-vehicle lanes. Source: CBP Border Wait Times feed, read 2026-10-20.
Is there a pedestrian lane at Ambassador Bridge?
The CBP feed carries no pedestrian figure for this port, which does not by itself mean pedestrians are refused. Ask the port. Source: CBP Border Wait Times feed, read 2026-10-20.
Can trucks use Ambassador Bridge?
The CBP feed lists commercial-vehicle lanes (maximum 13; FAST status when read: delay). See the guide on commercial trucks. Source: CBP Border Wait Times feed, read 2026-10-20.
What ID does a U.S. citizen need at Ambassador Bridge?
Valid U.S. Passport; Passport Card; Enhanced Driver's License; Trusted Traveler Program card (NEXUS, SENTRI or FAST). U.S. and Canadian citizen children under 16 (or under 19 if travelling with a school, religious or other youth group) need only present a birth certificate or other proof of citizenship. Source: CBP Western Hemisphere Travel Initiative, read 2026-10-20.
How much can I bring back duty-free into the U.S. through Ambassador Bridge?
A returning U.S. resident who has remained outside U.S. territory for at least 48 hours is eligible for the $800 duty-free personal exemption. CBP's page states the $800 exemption can be used once every 31 days. The 48 hours are computed exactly (19 CFR 148.35). Source: CBP, read 2026-10-20.
What ID does a Canadian citizen need entering Canada at Ambassador Bridge?
Canadian passport; Canadian birth certificate; Citizenship card; Certificate of Indian Status. The Government of Canada recommends Canadian citizens and dual citizens travel internationally with a valid Canadian passport. Minors should carry a Canadian passport; a consent letter and supporting identification are strongly recommended when travelling with only one parent or alone. Source: CBSA I Declare guide, read 2026-10-20.
What is the Canadian personal exemption when returning through Ambassador Bridge?
Absence of 24 hours or more: CAN$200; Absence of 48 hours or more: CAN$800; Absence of 7 days or more: CAN$800. Source: CBSA I Declare guide, read 2026-10-20.
How often is the wait time updated?
Each border location updates its estimated wait times hourly Source: CBP, Border Wait Times RSS channel description, read 2026-10-20.