BridgeSafety
San Diego County, CA · Structure #57 0389

STATE ROUTE 78

STATE ROUTE 78 in 11-Sd-078-14.24-Smcs, San Diego County, California received a condition grade of B (71/100). Built in 1962, the bridge carries 138K vehicles daily on STATE ROUTE 78 over Woodland Parkway.

B
71/100
71
Condition Score
138K
Daily Traffic
1962
Year Built
35.4m
Length

Component Ratings

DeckGood
7/9

The riding surface — evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
STATE ROUTE 78
Crosses Over
Woodland Parkway
State
California
County
San Diego County
Location
11-Sd-078-14.24-Smcs
Year Built
1962
Reconstructed
1990
Age
64 years
Daily Traffic
138,000
Lanes
7
Length
35.4 meters
Owner
State Highway Agency
Structure Number
57 0389

About This Bridge

STATE ROUTE 78 is a 64-year-old bridge located 11-Sd-078-14.24-Smcs in San Diego County, California. The bridge carries STATE ROUTE 78 over Woodland Parkway with 7 traffic lanes, handling approximately 138K vehicles per day. Built in 1962 and reconstructed in 1990, the structure spans 35.4 meters.

The bridge received a Condition Grade of B (71/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

11-Sd-078-14.24-Smcs, San Diego County, California

33.138581, -117.141328

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Frequently Asked Questions

STATE ROUTE 78 has a Condition Score of 71/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

STATE ROUTE 78 was built in 1962 and reconstructed in 1990, making it 64 years old. The average bridge age in the United States is 48 years.

STATE ROUTE 78 carries approximately 138K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 35.4 meters long and located on STATE ROUTE 78 in 11-Sd-078-14.24-Smcs, San Diego County, California.

No, STATE ROUTE 78 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

STATE ROUTE 78 is located 11-Sd-078-14.24-Smcs in San Diego County, California. The bridge carries STATE ROUTE 78 over Woodland Parkway. Its coordinates are 33.138581, -117.141328. It is maintained by State Highway Agency.

STATE ROUTE 78 carries STATE ROUTE 78 over Woodland Parkway. The bridge is 35.4 meters long and was built in 1962, with reconstruction in 1990.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.