US Bridges

Road- 1 South over Pedestrian Walkway

Good

San Mateo County, California · Terminal 3 Area G · Structure no. 35C0210

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Frame
Concrete Continuous
Length
30 ft
1 main span
Daily traffic
12,930
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Road- 1 South over Pedestrian Walkway is a concrete continuous frame carrying Road- 1 South over Pedestrian Walkway in San Mateo County, California. It was built in 2001, so it is 24 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,930 vehicles a day, roughly 2% of them trucks, projected to reach 43,506 by 2046. The structure is 30 ft (9.1 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoad- 1 South
CrossesPedestrian Walkway
LocationTerminal 3 Area G
RouteCity Street 0
Coordinates37.61699, -122.38772
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span25 ft (7.7 m)
Deck width87 ft (26.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic12,930 (2018)
Projected traffic43,506 by 2046
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Road- 1 South over Pedestrian Walkway built?

It was built in 2001, making it 24 years old in 2025.

What condition is Road- 1 South over Pedestrian Walkway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Road- 1 South over Pedestrian Walkway carry?

About 12,930 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Road- 1 South over Pedestrian Walkway?

The structure is 30 ft (9.1 m) long with a longest span of 25 ft (7.7 m) and a deck 87 ft wide.

Who owns Road- 1 South over Pedestrian Walkway?

It is owned by the City or Municipal Highway Agency.