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The San Dieguito River Park
18372 Sycamore Creek Rd.
Escondido, CA 92025
Phone: (858) 674-2270
Fax: (858) 674-2280

 

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The River Park has converted from a print-based distribution system to a web-based system. If you are interested in receiving e-mail notices when the quarterly activity schedule is posted to the website, and news of special events occurring in the Park, click above to send us an e-mail.

David Kreitzer Lake Hodges
Bicycle/Pedestrian Bridge

Click here for photos of Grand Opening Event May 15, 2009



Located approximately 1000 feet west of the I-15 freeway bridge over Lake Hodges in San Diego (click on location map above to enlarge it) this project was built for pedestrians and bicyclists. It is a stressed ribbon style bridge 990 feet long and 12 feet wide. The bridge was designed by T.Y. Lin International. The advantages of the stressed ribbon style bridge are 1) that enables a long span (330 feet) between piers, so that there are only two piers in the lake; and 2) it has a narrow profile, only 16 inches deep. These visually aesthetic features are desirable for a bridge over scenic Lake Hodges. At the current time there are only 4 other stressed ribbon style bridges in the western hemisphere. The David Kreitzer Lake Hodges Bicycle/Pedestrian Bridge is the longest stressed ribbon bridge in the world.

Construction began in February 2007 on the first phase, the south abutment, located just off West Bernardo Drive. Phase One was entirely within Caltrans Right of Way. See construction photos below. FCI Constructors Inc. was the contractor for Phase One. Construction of the first phase was finished in May 2007. The contract for Phase Two of construction (the north abutment, the piers in the lake, the superstructure and the railing) was also awarded to FCI Constructors (later known as Flatiron West). Phase Two is within City of San Diego Right-of-Way. Construction on Phase Two began in late September 2007 and was completed May 2009.

The Grand Opening Ceremony was held on May 15 to coincide with Bike to Work Day. On that day the bridge was formally named the "David Kreitzer Lake Hodges Bicycle Pedestrian Bridge" in honor of David Kreitzer, long-time park supporter and volunteer and 21-year County planning commissioner.


Phase One Construction Photos

February/March 2007

Construction of the south abutment consisted of installing 4 cast-in- drilled-hole piles and pile cap, as well as rock slope protection. Each pile is 8 feet in diameter and 83 feet long.
Below: Hoisting 90' rebar cage from delivery truck

Below: Hoisting 90' rebar cage for drilled pile at abutment 1



Above: Lowering rebar cage into 85' deep, 8' diameter drilled shaft, south abutment


Above: Pumping concrete into bottom of pile through steel pipe
Below: Placing Rock slope protection

Below: Drilling first pile

Below: Soundwall to block sound of equipment from birds in the lake

Below: Drill rig, setting upper permanent casing for pile


Phase Two Construction - September 2007 to May 2008



Above - Forming the North Abutment


Above - construction trestle. View is from north. South abutment can be seen.



Above - north abutment under construction.



Below: precast superstructure panel in construction. There will be 87 of these on the bridge.



Above and Below: Stressing cables at north abutment




Below: The two concrete piers have been completed.



Construction halted in mid-May to avoid impacts to nesting birds. Construction on the superstructure will begin in mid-September 2008.


Phase 2 Construction
September 2008 - May 2009

Construction on the superstructure began the third week of September.

Below are two pictures showing the start of the falsework that supported the closure pour at the piers. Initially it will support a working platform so the contractor can have access to the piers. Once the cables and precast pieces are up, it will support the formwork for the closure pour concrete.





Below, October 30, 2008, the first of 87 concrete panels is placed on the cables.

 



Above and below: Students from the Jacobs School of Engineering at UCSD and SDSU tour the bridge construction site on November 8, 2008. Above, TY Lin Resident Engineer Wade Durant explains the deck hanging operation.




The three pictures below showing all the panels have been placed on the cables were taken at the end of November 2008. The next step is for the contractor to pour concrete in one continuous pour over the cable troughs and and the entire deck. This is expected to be done by mid-January 2009. During the month of February, the construction trestle bridge, shown on the right in these pictures, will be removed.

 

 

For more information, click here.

 

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