The Lilac Road Bridge is a reinforced concrete arch bridge in Bonsall, California, built in 1978 at a cost of $1,500,000.[1] Its main span is 455 feet (139 m), with a total length of 745 feet (227 m). It was designed by Fred G. Michaels and John Suwada, with architecture consulting by William Wells.[1][2] This bridge is one of the two overcrossings in San Diego County with this unique arch design, the other being the Eastgate Mall Bridge.[3][4] When traveling northbound on I-15 it is the noticeably high bridge before the SR 76 exit.

Lilac Road Bridge
Lilac Road Bridge
Lilac Road Bridge (1980)
Coordinates33°18′1.0″N 117°9′0.0″W / 33.300278°N 117.150000°W / 33.300278; -117.150000
LocaleBonsall, CA
Official nameWalter F. Maxwell Memorial Bridge
Characteristics
MaterialReinforced concrete
Total length745 ft (227 m)
Longest span455 ft (139 m)
History
DesignerFred G. Michaels, John Suwada of Caltrans William Wells (consultant), Project Engineer Richard J.LeBeau of Caltrans
Construction cost$1,500,000
Opened1978
Location
Map

References

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  1. ^ a b Lmeke, Caroline (June 27, 1991). "Crossing Over to the Other Side". Los Angeles Times. Archived from the original on October 19, 2012.
  2. ^ Robbins, Christine. "The Bridges of San Diego County: The Art of Civil Engineering". San Diego History Center. Retrieved February 25, 2017.
  3. ^ "Interstate 15 northbound in San Diego County (part 3)". California @ WestCoastRoads.com. Archived from the original on July 25, 2008.[self-published source]
  4. ^ "Interstate 15 southbound in San Diego County (part 1)". California @ WestCoastRoads.com. Archived from the original on May 17, 2008.[self-published source]