US Bridges

Oyster Point Blvd over US Highway 101

Good

San Mateo County, California · 04-SM-101-22.82-SSF · Structure no. 35 0316

Built
1994
31 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
202 ft
2 main spans
Daily traffic
29,900
1998 count
Owner
State
State Highway Agency

About this bridge

Oyster Point Blvd over US Highway 101 is a prestressed concrete continuous box beam or girders - multiple carrying Oyster Point Blvd over US Highway 101 in San Mateo County, California. It was built in 1994, so it is 31 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 29,900 vehicles a day, roughly 7% of them trucks, projected to reach 38,037 by 2040. The structure is 202 ft (61.6 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOyster Point Blvd
CrossesUS Highway 101
Location04-SM-101-22.82-SSF
RouteCity Street 0D513
Coordinates37.66406, -122.39908
Functional classUrban Minor 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length202 ft (61.6 m)
Longest span101 ft (30.8 m)
Deck width120 ft (36.5 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,900 (1998)
Projected traffic38,037 by 2040
Trucks7%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Oyster Point Blvd over US Highway 101 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Oyster Point Blvd over US Highway 101 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 April 2023.

How much traffic does Oyster Point Blvd over US Highway 101 carry?

About 29,900 vehicles per day (1998 count), of which roughly 7% are trucks.

How long is Oyster Point Blvd over US Highway 101?

The structure is 202 ft (61.6 m) long with a longest span of 101 ft (30.8 m) and a deck 120 ft wide.

Who owns Oyster Point Blvd over US Highway 101?

It is owned by the State Highway Agency.