BridgeSafety
San Diego County, CA · Structure #57 0647

INTERSTATE 805

INTERSTATE 805 in 11-Sd-805-11.36-Sd, San Diego County, California received a condition grade of B (77/100). Built in 1975, the bridge carries 223K vehicles daily on INTERSTATE 805 over 47th Street.

B
77/100
77
Condition Score
223K
Daily Traffic
1975
Year Built
60.7m
Length

Component Ratings

DeckFair
6/9

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

SuperstructureGood
8/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
INTERSTATE 805
Crosses Over
47th Street
State
California
County
San Diego County
Location
11-Sd-805-11.36-Sd
Year Built
1975
Age
51 years
Daily Traffic
223,000
Lanes
10
Length
60.7 meters
Owner
State Highway Agency
Structure Number
57 0647

About This Bridge

INTERSTATE 805 is a 51-year-old bridge located 11-Sd-805-11.36-Sd in San Diego County, California. The bridge carries INTERSTATE 805 over 47th Street with 10 traffic lanes, handling approximately 223K vehicles per day. Built in 1975, the structure spans 60.7 meters.

The bridge received a Condition Grade of B (77/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 8/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

11-Sd-805-11.36-Sd, San Diego County, California

32.690314, -117.094536

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Frequently Asked Questions

INTERSTATE 805 has a Condition Score of 77/100 (Grade B). Its deck is rated 6/9, superstructure 8/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

INTERSTATE 805 was built in 1975, making it 51 years old. The average bridge age in the United States is 48 years.

INTERSTATE 805 carries approximately 223K vehicles per day (average daily traffic). The bridge has 10 traffic lanes. It is 60.7 meters long and located on INTERSTATE 805 in 11-Sd-805-11.36-Sd, San Diego County, California.

No, INTERSTATE 805 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

INTERSTATE 805 is located 11-Sd-805-11.36-Sd in San Diego County, California. The bridge carries INTERSTATE 805 over 47th Street. Its coordinates are 32.690314, -117.094536. It is maintained by State Highway Agency.

INTERSTATE 805 carries INTERSTATE 805 over 47th Street. The bridge is 60.7 meters long and was built in 1975.

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.