US Bridges

Industrial Way over Belmont Creek

Good

San Mateo County, California · South Harbor Blvd · Structure no. 35C0072

Built
1950
75 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
4,592
2016 count
Owner
County
County Highway Agency

About this bridge

Industrial Way over Belmont Creek is a concrete continuous culvert carrying Industrial Way over Belmont Creek in San Mateo County, California. It was built in 1950, so it is 75 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 4,592 vehicles a day, roughly 9% of them trucks, projected to reach 10,795 by 2046. The structure is 22 ft (6.7 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIndustrial Way
CrossesBelmont Creek
LocationSouth Harbor Blvd
RouteCounty Highway 0
Coordinates37.52032, -122.26607
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3.2 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,592 (2016)
Projected traffic10,795 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Industrial Way over Belmont Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Industrial Way over Belmont 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 April 2024.

How much traffic does Industrial Way over Belmont Creek carry?

About 4,592 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Industrial Way over Belmont Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3.2 m) and a deck 76 ft wide.

Who owns Industrial Way over Belmont Creek?

It is owned by the County Highway Agency.