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Broadcast areaSeattle, Washington
Frequency88.9 MHz FM
Branding88.9 The Bridge
OwnerMercer Island School District #400
First air date
1978 (at 90.1)
Call sign meaning
Mercer Island High School
Technical information
Facility ID41205
ERP30 watts
HAAT69 meters
WebcastListen Live

KMIH (88.9 FM) is a high school radio station broadcasting an adult album alternative format. Licensed to Mercer Island, Washington, United States, the station is currently owned by Mercer Island School District, with studios at Mercer Island High School. This station is one of three high school radio stations in the Seattle Metro area, the other two being KNHC, and KASB. KMIH also services as the only FM service licensed to the City of Mercer Island and as such is used as one of the primary emergency communication methods for the city.


Prior to its move to 88.9, KMIH broadcast at 104.5, when through a series of FM realignments, KMCQ, a station licensed to The Dalles, Oregon, was relocated to nearby Covington, Washington. This resulted in KMIH being relocated to its current frequency because of its class-D status, but was allowed to stay at the 104.5 frequency as they worked out an arrangement that allowed KMCQ to do testing during KMIH's off-air hours until the transition was completed. On August 27, 2008, KMIH and KMCQ finalized the move. KMIH also has a translator at 94.5 transmitting from Capitol Hill to cover downtown Seattle, which is not covered by 88.9's 30-watt signal. The translator would be sold to Bonneville International in late 2016, dropping its simulcast of KMIH to become a translator for Bonneville's KTTH. On January 31, 2017, after a period of stunting, KMIH dropped their rhythmic CHR format and flipped to AAA, branded as "The Bridge." In late December 2019, KMIH has partnered with to bring their shows onto streaming services like Spotify and Apple Music.


For the 2011–2012 season, Ryan Roulliard began calling play-by-play for his senior project. He received many positive reviews and was joined midseason by freshman radio student Luke Mounger, a color analyst. During the 2012–2013 season, Mounger took over for Rouillard's duties, as he began calling play-by-play being joined by Brady Baker, Sam Peterson, and Daniel Mayer as color analysts. During the 2013–2014 season, Mounger and Baker called over 30 games together, becoming the top pairing for Mercer Island Basketball on Hot Jamz Radio.

Coordinates: 47°34′19″N 122°13′08″W / 47.572°N 122.219°W / 47.572; -122.219