BridgeSafety
San Mateo County, CA · Structure #35 0122

WHIPPLE AVENUE

WHIPPLE AVENUE in 04-Sm-101-6.62-Rdwc, San Mateo County, California received a condition grade of B (69/100). Built in 1958, the bridge carries 201K vehicles daily on WHIPPLE AVENUE over US Highway 101.

B
69/100
69
Condition Score
201K
Daily Traffic
1958
Year Built
52.7m
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
WHIPPLE AVENUE
Crosses Over
US Highway 101
State
California
County
San Mateo County
Location
04-Sm-101-6.62-Rdwc
Year Built
1958
Reconstructed
1984
Age
68 years
Daily Traffic
201,000
Lanes
4
Length
52.7 meters
Owner
State Highway Agency
Structure Number
35 0122

About This Bridge

WHIPPLE AVENUE is a 68-year-old bridge located 04-Sm-101-6.62-Rdwc in San Mateo County, California. The bridge carries WHIPPLE AVENUE over US Highway 101 with 4 traffic lanes, handling approximately 201K vehicles per day. Built in 1958 and reconstructed in 1984, the structure spans 52.7 meters.

The bridge received a Condition Grade of B (69/100) 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

04-Sm-101-6.62-Rdwc, San Mateo County, California

37.496081, -122.233081

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Frequently Asked Questions

WHIPPLE AVENUE has a Condition Score of 69/100 (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.

WHIPPLE AVENUE was built in 1958 and reconstructed in 1984, making it 68 years old. The average bridge age in the United States is 48 years.

WHIPPLE AVENUE carries approximately 201K vehicles per day (average daily traffic). The bridge has 4 traffic lanes. It is 52.7 meters long and located on WHIPPLE AVENUE in 04-Sm-101-6.62-Rdwc, San Mateo County, California.

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

WHIPPLE AVENUE is located 04-Sm-101-6.62-Rdwc in San Mateo County, California. The bridge carries WHIPPLE AVENUE over US Highway 101. Its coordinates are 37.496081, -122.233081. It is maintained by State Highway Agency.

WHIPPLE AVENUE carries WHIPPLE AVENUE over US Highway 101. The bridge is 52.7 meters long and was built in 1958, with reconstruction in 1984.

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.