US Bridges

Fremont ST over San Mateo Creek

Good

San Mateo County, California · 2nd Ave & Fremont ST · Structure no. 35C0141

Built
1920
105 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
53 ft
3 main spans
Daily traffic
2,890
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fremont ST over San Mateo Creek is a concrete continuous slab carrying Fremont ST over San Mateo Creek in San Mateo County, California. It was built in 1920, so it is 105 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 2,890 vehicles a day, roughly 3% of them trucks, projected to reach 3,527 by 2040. The structure is 53 ft (16.2 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFremont ST
CrossesSan Mateo Creek
Location2nd Ave & Fremont ST
RouteCity Street 0
Coordinates37.56961, -122.31983
Functional classUrban Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span25 ft (7.6 m)
Deck width56 ft (17 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,890 (2019)
Projected traffic3,527 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fremont ST over San Mateo Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is Fremont ST over San Mateo Creek 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 May 2023.

How much traffic does Fremont ST over San Mateo Creek carry?

About 2,890 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Fremont ST over San Mateo Creek?

The structure is 53 ft (16.2 m) long with a longest span of 25 ft (7.6 m) and a deck 56 ft wide.

Who owns Fremont ST over San Mateo Creek?

It is owned by the City or Municipal Highway Agency.