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Bridge Design

I-5: Sutherlin Creek and County Road
The project involves replacement of the existing five-span Southbound and Northbound twin bridges on I-5 over Sutherlin creek in Douglas county, Oregon with new three-span 240 ft long Southbound (58’-110’-72’) and 210 ft long Northbound (58’-76’-76’) structures.

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I-5/Valencia Boulevard OC(Replacement).
Athalye Consulting Engineers was responsible for the for the PS&E preparation for the bridge replacement of the existing Valencia Boulevard Over Crossing with a wider bridge to accommodate seven lanes.

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Exposition Boulevard Bridges Over Ballona Creek
The Exposition Boulevard Bridges are located on Exposition Boulevard at the border of Culver City and the City Of Los Angeles at the intersection of Jefferson Boulevard as it crosses Over Ballona Creek.

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10 Bridges/Culverts Inspection
This encompassed three Bridges (2 PC/PS concrete cored slab bridges and 1 PC/PS concrete T-girder bridge) and 7 single span and multispan reinforced concrete culverts. The objective of this project was to assist the city of La Habra in routine bridge inspection.

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US-101 Lost Hills Interchange Improvement
The objective of the study was to develop conceptual interchange improvements at Lost Hills and US 101 that address the existing and Projected safety, operational and traffic needs.

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San Jose Creek Bridge
The bridge accommodates 2-12 ft lanes, 2-4 ft shoulders and 2-5ft sidewalks and Caltrans standard Type 26 barriers on each side. The bridge will have a crown at the centerline and 2% cross-slope.

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Fairmont Avenue Bridge
The project features include (1) Extending the Fairmont Ave, westerly across San Fernando Road, the SCRRA railroad and Verdugo Wash to join the southerly extension of Flower Street (2) Widening the westbound on and off ramps and eastbound on-ramp of the State Route 134/San Fernando Interchange and (3) Construction of a “stub-out” for the future connection of the Doran Street to Fairmont Avenue bridge.

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I-80 East between I-680 Interchange to Route 12
Athalye Consulting Engineers in association with URS Corporation was retained by CALTRANS, CCMB to prepare the Type Selection Report and Final PS&E for three bridges in Solano County near the City of Fairfield. The project proposed to widen the existing I-80 from 8 lanes to 10 lanes. To accomplish this the 3 bridges were modified in accordance with Caltrans SDC Version 1.2.

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Independent Check for SR 91 Structure Modification
The project consisted of performing the independent check of four bridges along State Route 91 in Riverside County in accordance with the Caltrans Project Development Procedures Manual. All bridges were designed in accordance with current Caltrans Bridge Design Specifications and SDC criteria Version 1.1.

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Route 5/126 Separation (Magic Mountain).
The project features include (1) Replacing the existing twin 4 span tee beam bridge with a 4 span precast I-girder (2) Demolishing existing twin bridges, Bridge Nos. 53-1625 R/L (3) Modifying I-5/ 126 Separation Interchange with an improved diamond interchange.

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Project Categories
Bridge Design
Seismic Bridge Design
Bridge Construction
NBIS Bridge Inspection


Bridge Design Experience

Bridge Design Experience


Bridge Construction Experience

Bridge Construction Experience