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Southbound Caltrain passing the present-day theater, the site of the original 3 stations
The first three stations serving downtown San Mateo were all located on the block bounded by 2nd and 3rd Avenues, Main Street, and Railroad Avenue.[3] On June 15, 1883, a "disastrous fire" destroyed San Mateo's Central block, located across the street from the station, but the original 1870s railroad depot itself was saved.[4][5]: 233 Antoine Borel donated a lot in the block destroyed by the fire which become the site of the first public library in San Mateo;[6][7] that building, named "Library Hall", was destroyed in another fire in April 1887, on the day a meeting was held to organize a fire department, and rebuilt.[8][9]: 86–87, 91, 95 It later was converted to serve as City Hall and subsequently other city uses.[10]
The original depot building was replaced at the same location in 1891. That depot and Library Hall both sustained damage in the 1906 San Francisco earthquake.[11][12] In 1925, a third depot building replaced the 1891 structure, again at the same site. The San Francisco Municipal Railway40 San Mateointerurban line terminated at this station.[13][14] Today, this site holds a 12-screen cinema, and a mural in its courtyard pays homage to Library Hall.[15]
In 1975, a fourth station opened one block south of the first three, between 3rd and 4th Avenues. Library Hall and the 1925 railroad depot were both subsequently torn down in 1976, and a parking structure was erected on the old site.[16] Trains stopping at this station would block automobile traffic on major downtown streets, since the center boarding platform was between 3rd and 4th.[17] This station was replaced in 2000, following the completion of an $11 million project to relocate the rail stop.
The fifth and current station is sited completely north of 1st Avenue, so vehicular and pedestrian traffic on nearby streets are no longer blocked by trains stopped at its platforms. This incarnation of the San Mateo Station opened in September 2000. A large mural entitled "Mr. Ralston Racing the Train", showing a race between a stagecoach and the train, was painted in 2000 by Nick Motley and "Little" Bobby Duncan under a commission from Eric Pennington on the exterior of an auto body shop at 1st and Railroad, near the south end of the northbound platform.[15] A new mural replaced it in 2016.[18] The replacement, entitled "Good Life", was painted by Brian Barneclo, who also created one of the longest murals in San Francisco near the 4th and King station.[19][20]
Replacement (2016) bridge over Tilton, 8'6" clearance
Just north of the station are four steel rail bridges crossing (from south to north) Tilton, Monte Diablo, E. Santa Inez, and E. Poplar avenues, the earliest grade separations on the Southern Pacific Coast Line (between San Francisco and Gilroy) and among the earliest grade separations in the entire state.[21]: 14 The four rail bridges were built by the American Bridge Company for Southern Pacific in 1903, and sacrificial steel beams were added in 2006 to prevent damage from vehicle strikes. The bridges had low vertical clearances as they predate the prevalence of automobile transport:
Monte Diablo: 11 ft 1 in (3.38 m)[22]: 2 Since 2016: 13 ft 2 in (4.01 m)[23]
Santa Inez: 12 ft 3 in (3.73 m)[24]: 2 Since 2016: 15 ft 0 in (4.57 m)[23]
Poplar: 13 ft (4.0 m)[25]: 2 Since 2016: 15 ft 0 in (4.57 m)[23]
Because the original rail bridges did not meet modern seismic safety standards, Caltrain and the City of San Mateo replaced the bridges during a project completed in October 2016.[23] Planning for the bridge replacement started over a decade earlier.[26] Although increasing the vertical clearance below the tracks was studied[27]: 1 and was meant to be accomplished by raising tracks up to 4 ft 6 in (1.37 m) over their current elevation,[28] an exemption was granted in 2014 to allow the low clearances at Monte Diablo and Tilton to continue, as raising the clearances at those bridges would also raise the track profile through the San Mateo station, requiring the platforms to be rebuilt.[29] Lowering the roadways was not possible due to interference with subsurface utilities.[30] The underpass at Tilton remains at 8 ft 6 in (2.59 m) of vertical clearance, more than 3 feet (0.91 m) less than the 11 foot 8 Bridge in North Carolina.[importance?]
^McMorris, Christopher; Miller, Chandra (June 2010). Monte Diablo Avenue Underpass, HAER No. CA-2276(PDF) (Report). Historic American Engineering Record, National Park Service, Pacific West Region. Retrieved March 7, 2018.
^"San Mateo Bridges Replacement Project Public Meeting FAQs"(PDF). Peninsula Corridor Joint Powers Board. Retrieved March 7, 2018. 28. Did Caltrain assess the viability of lowering the roads rather than raising the rail bridges and berms? a. Yes. There are two reasons why lowering the streets is not viable in this case. One there are gravity fed sewers just below grade level which would conflict with the lowering, and secondly: in order to lower the streets, private driveways would need to be purchased and lowered and in some cases this is not feasible due to the geometry.
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DOC Public Utilities Commission of the State of California. May 1, 2014. Retrieved March 7, 2018.
