US Bridges

ROAD-1 South over Pedestrian Walkway

Good

San Mateo County, California · Terminal 2 - Area D · Structure no. 35C0137

Built
1964
61 years old
Condition
Good
inspected January 2022
Type
Frame
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
12,930
2010 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 1964, so it is 61 years old, older 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 5% of them trucks, projected to reach 44,531 by 2044. The structure is 60 ft (18.3 m) long and 69 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesROAD-1 South
CrossesPedestrian Walkway
LocationTerminal 2 - Area D
RouteCity Street 0
CountySan Mateo County
StateCalifornia
Coordinates37.61673, -122.38443
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 2022
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating64.3 US tons
Inventory rating38.9 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span22 ft (6.7 m)
Deck width69 ft (20.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic12,930 (2010)
Projected traffic44,531 by 2044
Trucks5%
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 1964, making it 61 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 2022.

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

About 12,930 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is ROAD-1 South over Pedestrian Walkway?

The structure is 60 ft (18.3 m) long with a longest span of 22 ft (6.7 m) and a deck 69 ft wide.

Who owns ROAD-1 South over Pedestrian Walkway?

It is owned by the City or Municipal Highway Agency.